Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 477175
Title The influence of somatic and depression comorbidity on physical functioning over eleven years in patients with rhematoid arthritis (FRI0116)
Author(s) Hoek, J.; Roorda, L.D.; Boshuizen, H.C.; Dekker, J.; Hees, J. van; Rupp, I.; Tijhuis, G.; Bos, G.A. van den
Source Annals of the Rheumatic Diseases 71 (2012)S3. - ISSN 0003-4967 - p. 349 - 349.
Department(s) Nutrition and Disease
Mathematical and Statistical Methods - Biometris
Department of Animal Sciences
Publication type Abstract in scientific journal or proceedings
Publication year 2012
Abstract Background The prevalence of comorbidity in patients with rheumatoid arthritis (RA) is higher than in the general population (1). There is increasing evidence that comorbidity plays an important role in determining RA-related outcomes, like physical functioning (2). Little is known about the impact of comorbidity on the long term. Further, the studies that investigated the effects of comorbidity on physical functioning, did not compare the influence of both somatic and depression comorbidity. With this information clinicians can early adjust their treatment to the comorbidity. Objectives To asses the long term association of comorbidity and physical functioning in patients with established RA. Methods Longitudinal data were collected among 882 patients with RA of varying disease duration at inclusion in the study. Patient reported outcomes were collected in 1997, 1998, 1999, 2002 and 2008. Physical functioning was measured with the Health Assessment Questionnaire and the Physical Component Scale of the SF-36 Health Survey. Somatic comorbidity was measured by a self administered questionnaire including 13 chronic diseases. Depression comorbidity was measured with the Center for Epidemiologic Depression Scale. We distinguished four groups of patients based on comorbidity at baseline: patients 1) without comorbidity 2) with only somatic comorbidity 3) with only depression comorbidity and 4) with both somatic and depression comorbidity. The influence of comorbidity on physical functioning over time was investigated in a longitudinal analysis. Results 882 patients respond to the questionnaire, of whom 78% were woman. The mean (SD) age of the patients at baseline was 59.3 (SD 14.8) years and the mean (SD) disease duration was 8.9(SD 9.9) years. For the total group of patients with RA, physical functioning improved over an eleven year period. Patients with comorbidity had a worse physical functioning than patients without comorbidity at all time points, by which both groups with depression comorbidity had the lowest score (p
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