This study aims 1) to explore individual differences in women with chronic pain (CP) in regard to pain intensity, functional impairment, cognitive fusion and depressive symptoms, and 2) to longitudinally test whether cognitive fusion is a significant predictor of depression symptoms, while controlling for pain intensity and functional impairment, over a 12‐month period.. To read the full article, log in using your NHS Athens details. To access full-text: click “Log in/Register” (top right hand side). Click ‘Institutional Login’ then select 'OpenAthens Federation', then ‘NHS England’. Enter your Athens details to view the article.