Abstract
To evaluate the associated factors of depression and anxiety in patients with rheumatoid arthritis (RA) and examine the effect of different biologics. This cross-sectional study was conducted in a regional hospital in southern Taiwan from August of 2017 to April of 2018. A total of 625 patients with RA were included. RA disease activity was measured with Disease Activity Score over 28 joints based on erythrocyte sedimentation rate (DAS28-ESR). Depression and anxiety were measured with Hospital Anxiety and Depression Scale (HADS). Based on HADS scores, 38 subjects (6.1%) and 15 subjects (2.4%) were classified as depression and anxiety, respectively. Increased disease activity of RA is noted in RA patients with depression or anxiety, and among the items of DAS28-ESR, only the two subjective components: tender joint count over 28 joints (TJC28) and patient's global assessment (PGA) were significantly different. Multiple logistic regression analysis indicated that depression was significantly associated with TJC28 (adjusted odds ratio [aOR] = 1.10, 95% confidence interval [CI] 1.05-1.14) and female (aOR = 5.43, 95% CI 1.25-23.52); and anxiety was associated with TJC 28 (aOR = 1.07, 95% CI 1.00-1.15) and PGA (aOR = 1.03, 95% CI 1.01-1.06). Secondary analysis found a significantly lower risk of depression (aOR = 0.20, 95% CI 0.04-0.88) in patients receiving etanercept, but not anxiety, when compared with the non-biologic group. This study suggests that only subjective components of DAS28-ESR were significantly associated with depression and anxiety. In comparison with other biologics, patients receiving etanercept appeared to have a lower risk of depression.Key Points• Rheumatoid arthritis patients possessed higher risk of depression and anxiety.• Both depression and anxiety are strongly correlated with the subjective components of DAS28-ESR.• Etanercept might be the choice of biologics in rheumatoid arthritis patients with depression.
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