Prediction of depression and sleep quality based on thought rumination and its components (inhibition and reflection) in patients with Rheumatoid arthritis

Rheumatologic diseases are often associated with a high prevalence of psychological disorders. In spite of the prevalence of rheumatoid arthritis in Iran, the role of psychological factors has not been evaluated among the population affected by this disorder. The aim of the present study is to predict depressive symptoms and sleep quality based on rumination and it's subtypes in patients with Rheumatoid Arthritis. To do so, in a descriptive correlational study, 75 patients with Rheumatoid arthritis referred to Hafiz rheumatology clinic at Shiraz University of Medical Science were selected through convenience sampling method, and assessed for style of response, quality of sleep, and depression. Research tools included Response Styles Questionnaire (RSQ), the Pittsburgh Sleep Quality Index (PSQI), and Beck Depression Inventory (BDI). Data analysis was performed coefficient of correlation and linear regressions were used to compare data. The results indicated that the rumination and its subtypes significantly predict the quality of sleep and depressive symptoms (p 0