Research ArticleArticle
Structural Validity of the Rheumatology Attitudes Index in Systemic Sclerosis: Analysis from the UCLA Scleroderma Quality of Life Study
Shadi Gholizadeh, Sarah D. Mills, Rina S. Fox, Erin L. Merz, Scott C. Roesch, Philip J. Clements, Suzanne Kafaja, Daniel E. Furst, Dinesh Khanna and Vanessa L. Malcarne
The Journal of Rheumatology April 2017, jrheum.161080; DOI: https://doi.org/10.3899/jrheum.161080
Shadi Gholizadeh
From the San Diego State University (SDSU)/University of California (UC) San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology, San Diego; Department of Psychology, California State University, Dominguez Hills; SDSU, Department of Psychology, San Diego; David Geffen School of Medicine, University of California, Los Angeles (UCLA) School of Medicine, Los Angeles, California; University of Michigan Health System, Ann Arbor, Michigan, USA. Supported by the grant, Evaluation of Health-Related Quality of Life in Systemic Sclerosis from the Scleroderma Foundation Inc. Dr. Khanna has been funded by the US National Institutes of Health (NIH)/US National Institute of Arthritis and Musculoskeletal and Skin Diseases) grants K24 AR063120 and K23 AR053858. Dr. Khanna has served as a consultant for Bayer and Genentech. S. Gholizadeh, Doctoral Student, MS, MSc, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; S.D. Mills, Doctoral Student, MS, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; R.S. Fox, Postdoctoral Fellow, PhD, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; E.L. Merz, Assistant Professor, PhD, MPH, California State University, Dominguez Hills, Department of Psychology; S.C. Roesch, Professor, PhD, SDSU, Department of Psychology; P.J. Clements, MD, Professor Emeritus, David Geffen School of Medicine, UCLA; S. Kafaja, MD, Clinical Instructor, David Geffen School of Medicine, UCLA; D.E. Furst, MD, Professor, David Geffen School of Medicine, UCLA; D. Khanna, MD, Professor, University of Michigan Health System; V.L. Malcarne, PhD, Professor, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, and Department of Psychology, SDSU. Address correspondence to Professor V.L. Malcarne, Doctoral Training Facility, 6363 Alvarado Court, Suite 103, San Diego, California 92120- 4913, USA. E-mail: vmalcarne@mail.sdsu.edu. Accepted for publication February 7, 2017.
Sarah D. Mills
From the San Diego State University (SDSU)/University of California (UC) San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology, San Diego; Department of Psychology, California State University, Dominguez Hills; SDSU, Department of Psychology, San Diego; David Geffen School of Medicine, University of California, Los Angeles (UCLA) School of Medicine, Los Angeles, California; University of Michigan Health System, Ann Arbor, Michigan, USA. Supported by the grant, Evaluation of Health-Related Quality of Life in Systemic Sclerosis from the Scleroderma Foundation Inc. Dr. Khanna has been funded by the US National Institutes of Health (NIH)/US National Institute of Arthritis and Musculoskeletal and Skin Diseases) grants K24 AR063120 and K23 AR053858. Dr. Khanna has served as a consultant for Bayer and Genentech. S. Gholizadeh, Doctoral Student, MS, MSc, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; S.D. Mills, Doctoral Student, MS, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; R.S. Fox, Postdoctoral Fellow, PhD, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; E.L. Merz, Assistant Professor, PhD, MPH, California State University, Dominguez Hills, Department of Psychology; S.C. Roesch, Professor, PhD, SDSU, Department of Psychology; P.J. Clements, MD, Professor Emeritus, David Geffen School of Medicine, UCLA; S. Kafaja, MD, Clinical Instructor, David Geffen School of Medicine, UCLA; D.E. Furst, MD, Professor, David Geffen School of Medicine, UCLA; D. Khanna, MD, Professor, University of Michigan Health System; V.L. Malcarne, PhD, Professor, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, and Department of Psychology, SDSU. Address correspondence to Professor V.L. Malcarne, Doctoral Training Facility, 6363 Alvarado Court, Suite 103, San Diego, California 92120- 4913, USA. E-mail: vmalcarne@mail.sdsu.edu. Accepted for publication February 7, 2017.
Rina S. Fox
From the San Diego State University (SDSU)/University of California (UC) San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology, San Diego; Department of Psychology, California State University, Dominguez Hills; SDSU, Department of Psychology, San Diego; David Geffen School of Medicine, University of California, Los Angeles (UCLA) School of Medicine, Los Angeles, California; University of Michigan Health System, Ann Arbor, Michigan, USA. Supported by the grant, Evaluation of Health-Related Quality of Life in Systemic Sclerosis from the Scleroderma Foundation Inc. Dr. Khanna has been funded by the US National Institutes of Health (NIH)/US National Institute of Arthritis and Musculoskeletal and Skin Diseases) grants K24 AR063120 and K23 AR053858. Dr. Khanna has served as a consultant for Bayer and Genentech. S. Gholizadeh, Doctoral Student, MS, MSc, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; S.D. Mills, Doctoral Student, MS, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; R.S. Fox, Postdoctoral Fellow, PhD, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; E.L. Merz, Assistant Professor, PhD, MPH, California State University, Dominguez Hills, Department of Psychology; S.C. Roesch, Professor, PhD, SDSU, Department of Psychology; P.J. Clements, MD, Professor Emeritus, David Geffen School of Medicine, UCLA; S. Kafaja, MD, Clinical Instructor, David Geffen School of Medicine, UCLA; D.E. Furst, MD, Professor, David Geffen School of Medicine, UCLA; D. Khanna, MD, Professor, University of Michigan Health System; V.L. Malcarne, PhD, Professor, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, and Department of Psychology, SDSU. Address correspondence to Professor V.L. Malcarne, Doctoral Training Facility, 6363 Alvarado Court, Suite 103, San Diego, California 92120- 4913, USA. E-mail: vmalcarne@mail.sdsu.edu. Accepted for publication February 7, 2017.
Erin L. Merz
From the San Diego State University (SDSU)/University of California (UC) San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology, San Diego; Department of Psychology, California State University, Dominguez Hills; SDSU, Department of Psychology, San Diego; David Geffen School of Medicine, University of California, Los Angeles (UCLA) School of Medicine, Los Angeles, California; University of Michigan Health System, Ann Arbor, Michigan, USA. Supported by the grant, Evaluation of Health-Related Quality of Life in Systemic Sclerosis from the Scleroderma Foundation Inc. Dr. Khanna has been funded by the US National Institutes of Health (NIH)/US National Institute of Arthritis and Musculoskeletal and Skin Diseases) grants K24 AR063120 and K23 AR053858. Dr. Khanna has served as a consultant for Bayer and Genentech. S. Gholizadeh, Doctoral Student, MS, MSc, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; S.D. Mills, Doctoral Student, MS, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; R.S. Fox, Postdoctoral Fellow, PhD, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; E.L. Merz, Assistant Professor, PhD, MPH, California State University, Dominguez Hills, Department of Psychology; S.C. Roesch, Professor, PhD, SDSU, Department of Psychology; P.J. Clements, MD, Professor Emeritus, David Geffen School of Medicine, UCLA; S. Kafaja, MD, Clinical Instructor, David Geffen School of Medicine, UCLA; D.E. Furst, MD, Professor, David Geffen School of Medicine, UCLA; D. Khanna, MD, Professor, University of Michigan Health System; V.L. Malcarne, PhD, Professor, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, and Department of Psychology, SDSU. Address correspondence to Professor V.L. Malcarne, Doctoral Training Facility, 6363 Alvarado Court, Suite 103, San Diego, California 92120- 4913, USA. E-mail: vmalcarne@mail.sdsu.edu. Accepted for publication February 7, 2017.
Scott C. Roesch
From the San Diego State University (SDSU)/University of California (UC) San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology, San Diego; Department of Psychology, California State University, Dominguez Hills; SDSU, Department of Psychology, San Diego; David Geffen School of Medicine, University of California, Los Angeles (UCLA) School of Medicine, Los Angeles, California; University of Michigan Health System, Ann Arbor, Michigan, USA. Supported by the grant, Evaluation of Health-Related Quality of Life in Systemic Sclerosis from the Scleroderma Foundation Inc. Dr. Khanna has been funded by the US National Institutes of Health (NIH)/US National Institute of Arthritis and Musculoskeletal and Skin Diseases) grants K24 AR063120 and K23 AR053858. Dr. Khanna has served as a consultant for Bayer and Genentech. S. Gholizadeh, Doctoral Student, MS, MSc, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; S.D. Mills, Doctoral Student, MS, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; R.S. Fox, Postdoctoral Fellow, PhD, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; E.L. Merz, Assistant Professor, PhD, MPH, California State University, Dominguez Hills, Department of Psychology; S.C. Roesch, Professor, PhD, SDSU, Department of Psychology; P.J. Clements, MD, Professor Emeritus, David Geffen School of Medicine, UCLA; S. Kafaja, MD, Clinical Instructor, David Geffen School of Medicine, UCLA; D.E. Furst, MD, Professor, David Geffen School of Medicine, UCLA; D. Khanna, MD, Professor, University of Michigan Health System; V.L. Malcarne, PhD, Professor, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, and Department of Psychology, SDSU. Address correspondence to Professor V.L. Malcarne, Doctoral Training Facility, 6363 Alvarado Court, Suite 103, San Diego, California 92120- 4913, USA. E-mail: vmalcarne@mail.sdsu.edu. Accepted for publication February 7, 2017.
Philip J. Clements
From the San Diego State University (SDSU)/University of California (UC) San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology, San Diego; Department of Psychology, California State University, Dominguez Hills; SDSU, Department of Psychology, San Diego; David Geffen School of Medicine, University of California, Los Angeles (UCLA) School of Medicine, Los Angeles, California; University of Michigan Health System, Ann Arbor, Michigan, USA. Supported by the grant, Evaluation of Health-Related Quality of Life in Systemic Sclerosis from the Scleroderma Foundation Inc. Dr. Khanna has been funded by the US National Institutes of Health (NIH)/US National Institute of Arthritis and Musculoskeletal and Skin Diseases) grants K24 AR063120 and K23 AR053858. Dr. Khanna has served as a consultant for Bayer and Genentech. S. Gholizadeh, Doctoral Student, MS, MSc, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; S.D. Mills, Doctoral Student, MS, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; R.S. Fox, Postdoctoral Fellow, PhD, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; E.L. Merz, Assistant Professor, PhD, MPH, California State University, Dominguez Hills, Department of Psychology; S.C. Roesch, Professor, PhD, SDSU, Department of Psychology; P.J. Clements, MD, Professor Emeritus, David Geffen School of Medicine, UCLA; S. Kafaja, MD, Clinical Instructor, David Geffen School of Medicine, UCLA; D.E. Furst, MD, Professor, David Geffen School of Medicine, UCLA; D. Khanna, MD, Professor, University of Michigan Health System; V.L. Malcarne, PhD, Professor, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, and Department of Psychology, SDSU. Address correspondence to Professor V.L. Malcarne, Doctoral Training Facility, 6363 Alvarado Court, Suite 103, San Diego, California 92120- 4913, USA. E-mail: vmalcarne@mail.sdsu.edu. Accepted for publication February 7, 2017.
Suzanne Kafaja
From the San Diego State University (SDSU)/University of California (UC) San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology, San Diego; Department of Psychology, California State University, Dominguez Hills; SDSU, Department of Psychology, San Diego; David Geffen School of Medicine, University of California, Los Angeles (UCLA) School of Medicine, Los Angeles, California; University of Michigan Health System, Ann Arbor, Michigan, USA. Supported by the grant, Evaluation of Health-Related Quality of Life in Systemic Sclerosis from the Scleroderma Foundation Inc. Dr. Khanna has been funded by the US National Institutes of Health (NIH)/US National Institute of Arthritis and Musculoskeletal and Skin Diseases) grants K24 AR063120 and K23 AR053858. Dr. Khanna has served as a consultant for Bayer and Genentech. S. Gholizadeh, Doctoral Student, MS, MSc, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; S.D. Mills, Doctoral Student, MS, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; R.S. Fox, Postdoctoral Fellow, PhD, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; E.L. Merz, Assistant Professor, PhD, MPH, California State University, Dominguez Hills, Department of Psychology; S.C. Roesch, Professor, PhD, SDSU, Department of Psychology; P.J. Clements, MD, Professor Emeritus, David Geffen School of Medicine, UCLA; S. Kafaja, MD, Clinical Instructor, David Geffen School of Medicine, UCLA; D.E. Furst, MD, Professor, David Geffen School of Medicine, UCLA; D. Khanna, MD, Professor, University of Michigan Health System; V.L. Malcarne, PhD, Professor, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, and Department of Psychology, SDSU. Address correspondence to Professor V.L. Malcarne, Doctoral Training Facility, 6363 Alvarado Court, Suite 103, San Diego, California 92120- 4913, USA. E-mail: vmalcarne@mail.sdsu.edu. Accepted for publication February 7, 2017.
Daniel E. Furst
From the San Diego State University (SDSU)/University of California (UC) San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology, San Diego; Department of Psychology, California State University, Dominguez Hills; SDSU, Department of Psychology, San Diego; David Geffen School of Medicine, University of California, Los Angeles (UCLA) School of Medicine, Los Angeles, California; University of Michigan Health System, Ann Arbor, Michigan, USA. Supported by the grant, Evaluation of Health-Related Quality of Life in Systemic Sclerosis from the Scleroderma Foundation Inc. Dr. Khanna has been funded by the US National Institutes of Health (NIH)/US National Institute of Arthritis and Musculoskeletal and Skin Diseases) grants K24 AR063120 and K23 AR053858. Dr. Khanna has served as a consultant for Bayer and Genentech. S. Gholizadeh, Doctoral Student, MS, MSc, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; S.D. Mills, Doctoral Student, MS, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; R.S. Fox, Postdoctoral Fellow, PhD, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; E.L. Merz, Assistant Professor, PhD, MPH, California State University, Dominguez Hills, Department of Psychology; S.C. Roesch, Professor, PhD, SDSU, Department of Psychology; P.J. Clements, MD, Professor Emeritus, David Geffen School of Medicine, UCLA; S. Kafaja, MD, Clinical Instructor, David Geffen School of Medicine, UCLA; D.E. Furst, MD, Professor, David Geffen School of Medicine, UCLA; D. Khanna, MD, Professor, University of Michigan Health System; V.L. Malcarne, PhD, Professor, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, and Department of Psychology, SDSU. Address correspondence to Professor V.L. Malcarne, Doctoral Training Facility, 6363 Alvarado Court, Suite 103, San Diego, California 92120- 4913, USA. E-mail: vmalcarne@mail.sdsu.edu. Accepted for publication February 7, 2017.
Dinesh Khanna
From the San Diego State University (SDSU)/University of California (UC) San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology, San Diego; Department of Psychology, California State University, Dominguez Hills; SDSU, Department of Psychology, San Diego; David Geffen School of Medicine, University of California, Los Angeles (UCLA) School of Medicine, Los Angeles, California; University of Michigan Health System, Ann Arbor, Michigan, USA. Supported by the grant, Evaluation of Health-Related Quality of Life in Systemic Sclerosis from the Scleroderma Foundation Inc. Dr. Khanna has been funded by the US National Institutes of Health (NIH)/US National Institute of Arthritis and Musculoskeletal and Skin Diseases) grants K24 AR063120 and K23 AR053858. Dr. Khanna has served as a consultant for Bayer and Genentech. S. Gholizadeh, Doctoral Student, MS, MSc, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; S.D. Mills, Doctoral Student, MS, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; R.S. Fox, Postdoctoral Fellow, PhD, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; E.L. Merz, Assistant Professor, PhD, MPH, California State University, Dominguez Hills, Department of Psychology; S.C. Roesch, Professor, PhD, SDSU, Department of Psychology; P.J. Clements, MD, Professor Emeritus, David Geffen School of Medicine, UCLA; S. Kafaja, MD, Clinical Instructor, David Geffen School of Medicine, UCLA; D.E. Furst, MD, Professor, David Geffen School of Medicine, UCLA; D. Khanna, MD, Professor, University of Michigan Health System; V.L. Malcarne, PhD, Professor, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, and Department of Psychology, SDSU. Address correspondence to Professor V.L. Malcarne, Doctoral Training Facility, 6363 Alvarado Court, Suite 103, San Diego, California 92120- 4913, USA. E-mail: vmalcarne@mail.sdsu.edu. Accepted for publication February 7, 2017.
Vanessa L. Malcarne
From the San Diego State University (SDSU)/University of California (UC) San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology, San Diego; Department of Psychology, California State University, Dominguez Hills; SDSU, Department of Psychology, San Diego; David Geffen School of Medicine, University of California, Los Angeles (UCLA) School of Medicine, Los Angeles, California; University of Michigan Health System, Ann Arbor, Michigan, USA. Supported by the grant, Evaluation of Health-Related Quality of Life in Systemic Sclerosis from the Scleroderma Foundation Inc. Dr. Khanna has been funded by the US National Institutes of Health (NIH)/US National Institute of Arthritis and Musculoskeletal and Skin Diseases) grants K24 AR063120 and K23 AR053858. Dr. Khanna has served as a consultant for Bayer and Genentech. S. Gholizadeh, Doctoral Student, MS, MSc, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; S.D. Mills, Doctoral Student, MS, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; R.S. Fox, Postdoctoral Fellow, PhD, MPH, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, Department of Psychology; E.L. Merz, Assistant Professor, PhD, MPH, California State University, Dominguez Hills, Department of Psychology; S.C. Roesch, Professor, PhD, SDSU, Department of Psychology; P.J. Clements, MD, Professor Emeritus, David Geffen School of Medicine, UCLA; S. Kafaja, MD, Clinical Instructor, David Geffen School of Medicine, UCLA; D.E. Furst, MD, Professor, David Geffen School of Medicine, UCLA; D. Khanna, MD, Professor, University of Michigan Health System; V.L. Malcarne, PhD, Professor, SDSU/UC San Diego Joint Doctoral Program in Clinical Psychology, and Department of Psychology, SDSU. Address correspondence to Professor V.L. Malcarne, Doctoral Training Facility, 6363 Alvarado Court, Suite 103, San Diego, California 92120- 4913, USA. E-mail: vmalcarne@mail.sdsu.edu. Accepted for publication February 7, 2017.
In this issue
The Journal of Rheumatology
Vol. 51, Issue 4
1 Apr 2024
Structural Validity of the Rheumatology Attitudes Index in Systemic Sclerosis: Analysis from the UCLA Scleroderma Quality of Life Study
Shadi Gholizadeh, Sarah D. Mills, Rina S. Fox, Erin L. Merz, Scott C. Roesch, Philip J. Clements, Suzanne Kafaja, Daniel E. Furst, Dinesh Khanna, Vanessa L. Malcarne
The Journal of Rheumatology Apr 2017, jrheum.161080; DOI: 10.3899/jrheum.161080
Structural Validity of the Rheumatology Attitudes Index in Systemic Sclerosis: Analysis from the UCLA Scleroderma Quality of Life Study
Shadi Gholizadeh, Sarah D. Mills, Rina S. Fox, Erin L. Merz, Scott C. Roesch, Philip J. Clements, Suzanne Kafaja, Daniel E. Furst, Dinesh Khanna, Vanessa L. Malcarne
The Journal of Rheumatology Apr 2017, jrheum.161080; DOI: 10.3899/jrheum.161080