References
- Liang MH, Jette AM. Measuring functional ability in chronic arthritis. A critical review. Arthritis Rheum 1981;24:80–6.
- Meenan RF, Gertman PM, Mason JH, Dunaif R. The Arthritis Impact Measurement Scales. Further investigations of a health status measure. Arthritis Rheum 1982;25:1048–53.
- Meenan RF, Mason JH, Anderson J, Guccione A, Kazis LE. AIMS2. The content and properties of a revised and expanded Arthritis Impact Measurement Scales Health Status questionnaire. Arthritis Rheum 1992;35:1–10.
- Fries JF. The assessment of disability: from first to future principles. Br J Rheumatol 1983; 22 Suppl 1: 48–58.
- Jette AM. Functional Status Index. Reliability of a chronic disease evaluation instrument. Arch Phys Med Rehabil 1980;61:395–401.
- Hunt SM, McKenna SP, Williams J. Reliability of a population survey tool for measuring perceived health problems. A study of patients with osteoarthritis. J Epidemiol Comm Health 1981;35:297–300.
- Ekdahl C, Andersson SI, Svensson B. Muscle function of the lower extremities in rheumatoid arthritis and osteoarthrosis. A descriptive study of patients in a primary healthcare district. J Clin Epidemiol 1989;42:947–54.
- Jacobs JWG, Oosterveld FGJ, Deuxbouts N, Rasker JJ, Taal E, Dequeker J, Uytterhoeven R. Opinions of patients with rheumatoid arthritis about their own functional capacity: how valid is it? Ann Rheum Dis 1992;51:765–8.
- Shephard KF. Qualitative and quantitative research in clinical practice. Phys Ther 1987;67:1891–4.
- World Health Organization (WHO). International classification of impairments, disabilities, andhandicaps: a manual of classification relating to theconsequences of disease. Geneva. WHO, 1980: 13–17.
- Nagi S. Disability concepts revisited: implications for prevention. In: Pope A, Tarlov A (eds). Disability in America: toward a national agenda for prevention. Washington, DC: National Academy Press, 1991.
- Carmines EG, Zeller RA. Reliability and validity assessment. Beverly Hills, London: Sage Publications, 1979.
- Eberl DR, Fasching V, Rahlfs V, Schleyer I, Wolf R. Repeatability and objectivity of various measurements in rheumatoid arthritis. A comparative study. Arthritis Rheum 1976;19:1278–86.
- Eberhardt K, Svensson B, Moritz U. Functional assessment of early rheumatoid arthritis. Br J Rheumatol 1988;27:364–71.
- Bostro¨m C, Harms-Ringdahl K, Nordemar R. Clinical reliability of shoulder function assessment in patients with rheumatoid arthritis. Scand J Rheumatol 1991;20:36–48.
- Oberg U, Oberg B, Oberg T. Validity and reliability of a new assessment of lower-extremity dysfunction. Phys Ther 1994;74:861–71.
- Minor MA, Hewett JE, Webel RR, Anderson SK, Kay DR. Efficacy of physical conditioning exercise in patients with rheumatoid arthritis and os-teoarthritis. Arthritis Rheum 1989;32:1396–405.
- Stenstro¨m CH. Home exercise in rheumatoid arthritis functional class II. Goal setting vs pain attention. J Rheumatol 1994;21:627–34.
- Arnett FC, Edworthy SM, Bloch DA, et al. The American Rheumatism Association 1987 revised criteria for the classification of rheumatoid arthritis. Arthritis Rheum 1988; 31: 315–324.
- Steinbrocker O, Traeger CH, Batterman RC. Therapeutic criteria in rheumatoid arthritis. JAMA 1949;140:659–62.
- Ekdahl C, Eberhardt K, Andersson SI, Svensson B. Assessing disability in patients with rheumatoid arthritis. Use of a Swedish version of the Stanford Health Assessment Questionnaire. Scand J Rheuma-tol 1988;17:263–71.
- Ritchie DM, Boyle JA, McInnes JM, et al. Clinical studies with an articular index for the assessment of joint tenderness in patients with rheumatoid arthritis. Q J Med (NS) 1963; 37: 393–406.
- Ekdahl C, Andersson SI, Moritz U, Svensson B. Dynamic vs static training in patients with rheumatoid arthritis. Scand J Rheumatol 1990;19:17–26.
- Ekdahl C, Andersson SI. Standing balance in rheumatoid arthritis. A comparative study with healthy subjects. Scand J Rheumatol 1989; 18: 33– 42.
- Archenholtz B, Bjelle A. Reliability, validity and sensitivity of a Swedish version of the revised and expanded Arthritis Impact Measurement Scales 2 (AIMS2). J Rheumatol 1997;24:1370–7.
- WiklundI., Romanus B, Hunt SM. Self-assessed disability in patients with arthrosis of the hip joint. Reliability of the Swedish version of the Nottingham Health Profile. Int Disabil Stud 1988; 10: 159–63.
- Stenstro¨m CH, Arge B, Sundbom A. Home exercise and compliance in inflammatory rheumatic diseases. A prospective clinical trial. J Rheumatol 1997;24:470–6.