References
- Andersen K O, Bradley L A, Young L D, McDaniel L K, Wise C M. Rheumatoid Arthritis: review of psychological factors related to etiology, effects and treatment. Psychol Bull 1985; 98: 358–87
- Smith W T, Peck J R, Ward J R. Helplessness and depression in Rheumatoid Arthritis. Health Psychol 1990; 9(4)377–89
- Suurmeijer T PBM, Kempen G UM. Behavioural changes as an outcome of disease: the development of an instrument. Int J Health Sci 1990; 1(3)189–94
- Guillemin F, Briançon S, Pourel J. Functional disability in rheumatoid arthritis: two different models in early and established disease. J Rheumatol 1992; 19: 366–9
- Guillemin F, Suurmeijer T PBM, Krol B, et al. Disability in early rheumatoid arthritis: Description and risk factors. J Rheumatol 1993, (in press)
- Wiener C L. The burden of rheumatoid Arthritis: tolerating the uncertainty. Soc Sci Med 1975; 9: 97–104
- Liang M H, Katz J N, Ginsburg K S. Chronic rheumatic disease. Quality of life assessment in clinical trials, B Spilker. Raven press Ltd., New York 1990; 470
- Hagglund K J, Haley W E, Reveille J D, Alarcon G S. Predicting individual differences in pain and functional impairment among patients with rheumatoid arthritis. Arthritis Rheum 1989; 32: 879–82
- Hawley D J, Wolfe F. Pain, disability, and pain/disability relationships in seven rheumatic disorders: a study of 1522 patients. J Rheumatol 1991; 18: 1552–7
- Ritchie D M, Boyle J A, McInnes J M, et al. Clinical studies with an articular index for the assessment of joint tenderness in patients with Rheumatoid Arthritis. Q J Med 1968; 147, New Series XXXVII
- Briançon S, Doeglas D, Guillemin F, Krol B, Sanderman R, Suurmeijer T, et al. European research on incapacitating diseases and social support (EURIDISS). Int J Health Sci 1990; 1: 217–28
- Arnett F C, Edworthy S M, Bloch D A, et al. The American Rheumatism Association 1987 Revised Criteria for the Classification of Rheumatoid Arthritis. Arthritis Rheum 1988; 31: 315–24
- Rosenberg M. Society and the adolescent self-image. Princeton university press, Princeton, New York 1965
- De Haes J CJM. Quality of life in cancer patients (Dissertation). Swets & Zeitlinger, LeidenThe Netherlands 1988; 211
- Goldberg D P, Williams P. A user's guide to the General Health Questionnaire. NFER NELSON Publishing Company Ltd., Windsor 1988; 129
- Goldberg D P, Rickels K, Downing R V, Hesbacher P. A comparison of two psychiatric screening tests. Br J Psychiatry 1976; 129: 61–7
- Sanderman R. Life events, mediating variables and psychological distress: a longitudinal study (Dissertation). University of Groningen, GroningenThe Netherlands 1988; 128
- Sanderman R, Stewart R. The assessment of psychological distress: psychometric properties of the General Health Questionnaire (GHQ). Int J Health Sci 1990; 1: 195–202
- De Haes J CJM. The quality of life of cancer patients: a review of the literature. Soc Sci Med 1985; 20: 809–17
- Krol B, Sanderman R, Suurmeijer T PBM. Social support, rheumatoid arthritis and quality of life: concepts, measurement and research. Patient Educ Couns 1993; 20: 101–20
- Koeter M WJ, Ormel J. General Health Questionnaire: Dutch version. Swets and Zeitlinger B.V., LisseThe Netherlands 1991; 56
- Chandarana P C, Edals M, Steingart A B, Bellamy N, Allen A. The detection of psychiatric morbidity and associated factors in patients with rheumatoid arthritis. Can J Psychiatry 1987; 32: 356–61
- Gardiner B M. Psychological aspects of rheumatoid arthritis. Psychol Med 1980; 10: 159–63
- Nie N, Hull C H, Jenkins J G, Steinbrenner K, Bent D H. Statistical Package for the Social Sciences, 2nd ed. McGraw Hill, New York 1975
- Tacq J JA. Heterogenity of variances. Facta 1993; 1: 30–1
- Blalock H M. Social statistics. McGraw Hill, New York 1960
- Hawley D J, Wolfe F. Anxiety and depression in patients with rheumatoid arthritis: a prospective study of 400 patients. J Rheumatol 1988; 15: 932–41
- Nicassio P M, Wallston K A, Callahan L F, Herbert M, Pincus T. The measurement of helplessness in rheumatoid arthritis: the development of the Arthritis Helplessness Index. J Rheumatol 1985; 12: 462–7
- Wolfe F, Kleinheksel S M, Cathey M A, Hawley D J, Spitz P W, Fries J F. The clinical value of the Stanford Health Assessment Questionnaire functional disability index in patients with rheumatoid arthritis. J Rheumatol 1988; 15: 10