What Factors Influence the Health Status of Patients with Rheumatoid Arthritis Measured by the SF-12v2 Health Survey and the Health Assessment Questionnaire?

REFERENCES

1. 1.↵
   1. Eichler HG,
   2. Mavros P,
   3. Geling O,
   4. Hunsche E,
   5. Kong S

   . Association between health-related quality of life and clinical efficacy endpoints in rheumatoid arthritis patients after four weeks treatment with anti-inflammatory agents. Int J Clin Pharmacol Ther 2005;43:209–16.

   OpenUrlPubMed
2. 2.↵
   1. Rupp I,
   2. Boshuizen HC,
   3. Roorda LD,
   4. Dinant HJ,
   5. Jacobi CE,
   6. van den Bos G

   . Poor and good health outcomes in rheumatoid arthritis: the role of comorbidity. J Rheumatol 2006;33:1488–95.

   OpenUrlAbstract/FREE Full Text
3. 3.↵
   1. Harrison MJ,
   2. Tricker KJ,
   3. Davies L,
   4. Hassell A,
   5. Dawes P,
   6. Scott DL,
   7. et al.

   The relationship between social deprivation, disease outcome measures, and response to treatment in patients with stable, long-standing rheumatoid arthritis. J Rheumatol 2005;32:2330–6.

   OpenUrlAbstract/FREE Full Text
4. 4.↵
   1. Plant MJ,
   2. O’Sullivan MM,
   3. Lewis PA,
   4. Camilleri JP,
   5. Coles EC,
   6. Jessop JD

   . What factors influence functional ability in patients with rheumatoid arthritis. Do they alter over time? Rheumatology 2005;44:1181–5.

   OpenUrlAbstract/FREE Full Text
5. 5.↵
   1. Brekke M,
   2. Hjortdahl P,
   3. Kvien TK

   . Self-efficacy and health status in rheumatoid arthritis: a two-year longitudinal observational study. Rheumatology 2001;40:387–92.

   OpenUrlAbstract/FREE Full Text
6. 6.↵
   1. ERAS Study Group

   . Socioeconomic deprivation and rheumatoid disease: what lessons for the health service? Early Rheumatoid Arthritis Study. Ann Rheum Dis 2000;59:794–9.

   OpenUrlAbstract/FREE Full Text
7. 7.↵
   1. Molenaar ET,
   2. Voskuyl AE,
   3. Dijkmans BA

   . Functional disability in relation to radiological damage and disease activity in patients with rheumatoid arthritis in remission. J Rheumatol 2002;29:267–70.

   OpenUrlAbstract/FREE Full Text
8. 8.↵
   1. Marra CA,
   2. Lynd LD,
   3. Esdaile JM,
   4. Kopec J,
   5. Anis AH

   . The impact of low family income on self-reported health outcomes in patients with rheumatoid arthritis within a publicly funded health-care environment. Rheumatology 2004;43:1390–7.

   OpenUrlAbstract/FREE Full Text
9. 9.↵
   1. Arnett FC,
   2. Edworthy SM,
   3. Bloch DA,
   4. McShane DJ,
   5. Fries JF,
   6. Cooper NS,
   7. et al.

   The American Rheumatism Association 1987 revised criteria for the classification of rheumatoid arthritis. Arthritis Rheum 1988;31:315–24.

   OpenUrlCrossRefPubMed
10. 10.↵
    1. Ware JE, Jr,
    2. Kosinski M,
    3. Keller SD

    . A 12-Item Short-Form Health Survey: construction of scales and preliminary tests of reliability and validity. Med Care 1996;34:220–33.

    OpenUrlCrossRefPubMed
11. 11.↵
    1. Gandhi SK,
    2. Salmon JW,
    3. Zhao SZ,
    4. Lambert BL,
    5. Gore PR,
    6. Conrad K

    . Psychometric evaluation of the 12-item Short-form Health Survey (SF-12) in osteoarthritis and rheumatoid arthritis clinical trials. Clin Ther 2001;23:1080–98.

    OpenUrlCrossRefPubMed
12. 12.↵
    1. Ware JE, Jr,
    2. Kosinski M,
    3. Turner-Bowker DM,
    4. Gandek B

    . How to Score Version 2 of the SF-12 Health Survey (with a supplement documenting Version 1). Lincoln, RI: QualityMetric Incorporated; 2002.
13. 13.↵
    1. Fries JF,
    2. Spitz PW,
    3. Young DY

    . The dimensions of health outcomes: the Health Assessment Questionnaire, disability and pain scales. J Rheumatol 1982;9:789–93.

    OpenUrlPubMed
14. 14.↵
    1. Wells GA,
    2. Tugwell P,
    3. Kraag GR,
    4. Baker PR,
    5. Groh J,
    6. Redelmeier DA

    . Minimum important difference between patients with rheumatoid arthritis: the patient’s perspective. J Rheumatol 1993;20:557–60.

    OpenUrlPubMed
15. 15.↵
    1. Kosinski M,
    2. Zhao SZ,
    3. Dedhiya S,
    4. Osterhaus JT,
    5. Ware JE, Jr

    . Determining minimally important changes in generic and disease-specific health-related quality of life questionnaires in clinical trials of rheumatoid arthritis. Arthritis Rheum 2000;43:1478–87.

    OpenUrlCrossRefPubMed
16. 16.↵
    1. Thorsen H,
    2. Hansen TM,
    3. McKenna SP,
    4. Sorensen SF,
    5. Whalley D

    . Adaptation into Danish of the Stanford Health Assessment Questionnaire (HAQ) and the Rheumatoid Arthritis Quality of Life Scale (RAQoL). Scand J Rheumatol 2001;30:103–9.

    OpenUrlCrossRefPubMed
17. 17.↵
    1. Hetland ML,
    2. Lindegaard HM,
    3. Hansen A,
    4. Podenphant J,
    5. Unkerskov J,
    6. Ringsdal VS,
    7. et al.

    Do changes in prescription practice in patients with rheumatoid arthritis treated with biological agents affect treatment response and adherence to therapy? Results from the nationwide Danish DANBIO Registry. Ann Rheum Dis 2008;67:1023–6.

    OpenUrlAbstract/FREE Full Text
18. 18.↵
    1. Maurischat C,
    2. Ehlebracht-Konig I,
    3. Kuhn A,
    4. Bullinger M

    . Factorial validity and norm data comparison of the Short Form 12 in patients with inflammatory-rheumatic disease. Rheumatol Int 2006;26:614–21.

    OpenUrlCrossRefPubMed
19. 19.↵
    1. Kothe R,
    2. Kohlmann T,
    3. Klink T,
    4. Ruther W,
    5. Klinger R

    . Impact of low back pain on functional limitations, depressed mood and quality of life in patients with rheumatoid arthritis. Pain 2007;127:103–8.

    OpenUrlCrossRefPubMed
20. 20.↵
    1. Loza E,
    2. Jover JA,
    3. Rodriguez L,
    4. Carmona L,
    5. EPISER Study Group

    . Multimorbidity: Prevalence, effect on quality of life and daily functioning, and variation of this effect when one condition is a rheumatic disease. Semin Arthritis Rheum 2009;38:312–9.

    OpenUrlCrossRefPubMed
21. 21.↵
    1. Chorus AM,
    2. Miedema HS,
    3. Boonen A,
    4. Van Der Linden S

    . Quality of life and work in patients with rheumatoid arthritis and ankylosing spondylitis of working age. Ann Rheum Dis 2003;62:1178–84.

    OpenUrlAbstract/FREE Full Text
22. 22.↵
    1. Rupp I,
    2. Boshuizen HC,
    3. Dinant HJ,
    4. Jacobi CE,
    5. van den Bos GA

    . Disability and health-related quality of life among patients with rheumatoid arthritis: Association with radiographic joint damage, disease activity, pain, and depressive symptoms. Scand J Rheumatol 2006;35:175–81.

    OpenUrlCrossRefPubMed
23. 23.↵
    1. Sokka T,
    2. Krishnan E,
    3. Hakkinen A,
    4. Hannonen P

    . Functional disability in rheumatoid arthritis patients compared with a community population in Finland. Arthritis Rheum 2003;48:59–63.

    OpenUrlCrossRefPubMed
24. 24.↵
    1. Aletaha D,
    2. Smolen J,
    3. Ward MM

    . Measuring function in rheumatoid arthritis: Identifying reversible and irreversible components. Arthritis Rheum 2006;54:2784–92.

    OpenUrlCrossRefPubMed
25. 25.↵
    1. de Jong Z,
    2. Munneke M,
    3. Zwinderman AH,
    4. Kroon HM,
    5. Jansen A,
    6. Ronday KH,
    7. et al.

    Is a long-term high-intensity exercise program effective and safe in patients with rheumatoid arthritis? Results of a randomized controlled trial. Arthritis Rheum 2003;48:2415–24.

    OpenUrlCrossRefPubMed
26. 26.↵
    1. Masdottir B,
    2. Jonsson T,
    3. Manfredsdottir V,
    4. Vikingsson A,
    5. Brekkan A,
    6. Valdimarsson H

    . Smoking, rheumatoid factor isotypes and severity of rheumatoid arthritis. Rheumatology 2000;39:1202–5.

    OpenUrlAbstract/FREE Full Text
27. 27.↵
    1. Kuiper S,
    2. van Gestel AM,
    3. Swinkels HL,
    4. de Boo TM,
    5. da Silva JA,
    6. van Riel PL

    . Influence of sex, age, and menopausal state on the course of early rheumatoid arthritis. J Rheumatol 2001;28:1809–16.

    OpenUrlAbstract/FREE Full Text