Methods A cross-sectional study was performed at baseline of ELSA-Brasil Musculoskeletal
cohort (2012–2014). Chronic knee pain phenotypes were identified according to the
presence of CKP that was accompanied or not by disability, which was assessed by a
question on pain-related limitations to perform everyday activities (overall), Western Ontario
and McMaster Universities Osteoarthritis Index's physical function subscale (daily tasks) and
5-times sit-to-stand test (objective). Depressive symptoms were assessed by the Clinical …

Subjective well-being refers to how individuals assess their own life and comprises three
components: negative affect (eg depression), positive affect and life satisfaction. The link
between pain and depression is well established, and seems stronger when pain is
associated with disability. Fewer studies investigated life satisfaction. This study investigated
whether these two components of subjective well-being (depressive symptoms and life
satisfaction) are associated with chronic non-disabling and disabling knee pain. Materials …