Longitudinal association between coping and psychological distress in rheumatoid arthritis: a systematic review

Abstract

Objective: To examine the longitudinal association between coping and psychological distress in rheumatoid arthritis (RA).

Methods: Bibliographic databases up to July 2010 were searched for longitudinal studies with a follow-up of ≥6 months. Two reviewers assessed the methodological quality of the included studies. Study characteristics, coping strategies and coping-psychological distress associations were extracted. Coping strategies were categorised using a hierarchical taxonomy. A best-evidence synthesis determined the level of evidence for a prognostic association of coping with depression, anxiety and general distress.

Results: From an initial set of 2605 potentially relevant studies, 19 studies (14 cohorts) met the predefined selection criteria. In all, 10 studies were of 'high quality' (≥12 of 18 quality criteria). Unadjusted bivariate correlations showed that baseline approach-oriented coping correlated with lower psychological distress (r between 0.007-0.46, p values <0.05) and baseline avoidant-oriented coping correlated with higher psychological distress (r between 0.29-0.64, p values <0.05) at follow-up. Adjusted for baseline psychological distress, limited evidence was found that avoidant-oriented coping was longitudinally associated with an increase in psychological distress. Specifically, the categories helplessness, avoidance and wishful thinking were prognostically associated with increased general psychological distress. Approach-oriented coping was not associated with subsequent psychological distress.

Conclusions: The prognostic value of coping strategies for later psychological distress in RA is weak. Limited evidence suggests that avoidant-oriented coping is associated with increased subsequent psychological distress. No evidence was found that approach-oriented coping protects against an increase of psychological distress.