Research ArticleArticle
Test-retest Reliability and Correlations of 5 Global Measures Addressing At-work Productivity Loss in Patients with Rheumatic Diseases
Sarah Leggett, Antje van der Zee-Neuen, Annelies Boonen, Dorcas E. Beaton, Mihai Bojinca, Ailsa Bosworth, Sabrina Dadoun, Bruno Fautrel, Sofia Hagel, Catherine Hofstetter, Diane Lacaille, Denise Linton, Carina Mihai, Ingemar F. Petersson, Pam Rogers, Jamie C. Sergeant, Carlo Sciré and Suzanne M.M. Verstappen on behalf of the At-work Productivity Global Measure Working Group
The Journal of Rheumatology December 2015, jrheum.141605; DOI: https://doi.org/10.3899/jrheum.141605
Sarah Leggett
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Antje van der Zee-Neuen
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Annelies Boonen
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Dorcas E. Beaton
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Mihai Bojinca
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Ailsa Bosworth
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Sabrina Dadoun
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Bruno Fautrel
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Sofia Hagel
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Catherine Hofstetter
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Diane Lacaille
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Denise Linton
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Carina Mihai
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Ingemar F. Petersson
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Pam Rogers
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Jamie C. Sergeant
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Carlo Sciré
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
Suzanne M.M. Verstappen
From the Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute, Maastricht University, The Netherlands; Mobility Program Clinical Research Unit, St. Michael’s Hospital, Toronto, Ontario, Canada; Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; National Rheumatoid Arthritis Society, Maidenhead, UK; Department of Rheumatology, Université Pierre et Marie Curie, Paris, France; Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital, Lund, Sweden; Canadian Arthritis Patient Alliance, Toronto, Ontario, Canada; Arthritis Research Centre of Canada, Division of Rheumatology, University of British Columbia, Vancouver, BC, Canada; Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden; NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK; Epidemiology Unit, Italian Society for Rheumatology, Milan, Italy; and the Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton, Southampton, UK. Supported by research grants from EULAR (EULAR Project PRO Call) and an unrestricted grant from AbbVie. This report includes independent research supported by the National Institute for Health Research Biomedical Research Unit Funding Scheme. S. Leggett, MSc, Arthritis Research UK Centre for Epidemiology; A. van der Zee-Neuen, PhD, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; A. Boonen, MD, PhD, Professor of Rheumatology, Department of Rheumatology, Maastricht University Medical Centre, and Caphri Research Institute; D.E. Beaton, PhD, Mobility Program Clinical Research Unit, St. Michael’s Hospital; M. Bojinca, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; A. Bosworth, Patient Partner, National Rheumatoid Arthritis Society; S. Dadoun, MD, Department of Rheumatology, Université Pierre et Marie Curie; B. Fautrel, MD, PhD, Department of Rheumatology, Université Pierre et Marie Curie; S. Hagel, PhD, Department of Clinical Sciences Lund, Section of Rheumatology, Lund University and Skane University Hospital; C. Hofstetter, Patient Partner, Canadian Arthritis Patient Alliance; D. Lacaille, MD, MHSc, FRCPC, Mary Pack Chair in Arthritis Research, Division of Rheumatology, University of British Columbia; Arthritis Research Centre of Canada; D. Linton, Mobility Program Clinical Research Unit, St. Michael’s Hospital; C. Mihai, MD, PhD, Internal Medicine and Rheumatology Clinic, Dr. Ion Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy; I.F. Petersson, MD, FRCPC, Orthopaedics, Clinical Sciences Lund, Lund University; P. Rogers, Arthritis Research Centre of Canada; J. Sergeant, PhD, Lecturer in Medical Statistics, Arthritis Research UK Centre for Epidemiology, NIHR Manchester Musculoskeletal Biomedical Research Unit; C. Sciré, MD, PhD, Epidemiology Unit, Italian Society for Rheumatology; S.M. Verstappen, PhD, Senior Research Fellow, Arthritis Research UK Centre for Epidemiology, Manchester Academic Health Science Centre, University of Manchester, and Arthritis Research UK/MRC Centre for Musculoskeletal Health and Research, University of Southampton. Address correspondence to Dr. S.M. Verstappen, Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom. E-mail: suzanne.verstappen@manchester.ac.uk. Accepted for publication September 1, 2015.
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In this issue
The Journal of Rheumatology
Vol. 51, Issue 4
1 Apr 2024
Test-retest Reliability and Correlations of 5 Global Measures Addressing At-work Productivity Loss in Patients with Rheumatic Diseases
Sarah Leggett, Antje van der Zee-Neuen, Annelies Boonen, Dorcas E. Beaton, Mihai Bojinca, Ailsa Bosworth, Sabrina Dadoun, Bruno Fautrel, Sofia Hagel, Catherine Hofstetter, Diane Lacaille, Denise Linton, Carina Mihai, Ingemar F. Petersson, Pam Rogers, Jamie C. Sergeant, Carlo Sciré, Suzanne M.M. Verstappen
The Journal of Rheumatology Dec 2015, jrheum.141605; DOI: 10.3899/jrheum.141605
Test-retest Reliability and Correlations of 5 Global Measures Addressing At-work Productivity Loss in Patients with Rheumatic Diseases
Sarah Leggett, Antje van der Zee-Neuen, Annelies Boonen, Dorcas E. Beaton, Mihai Bojinca, Ailsa Bosworth, Sabrina Dadoun, Bruno Fautrel, Sofia Hagel, Catherine Hofstetter, Diane Lacaille, Denise Linton, Carina Mihai, Ingemar F. Petersson, Pam Rogers, Jamie C. Sergeant, Carlo Sciré, Suzanne M.M. Verstappen
The Journal of Rheumatology Dec 2015, jrheum.141605; DOI: 10.3899/jrheum.141605