The roles of physical activity and sedentary behavior in the relationship between socioeconomic status and depressive symptoms: Observations from a national study.

Background: While the association between socioeconomic status (SES) and depression is well-documented, the relative contributions of physical activity (PA) and sedentary behavior (SB) to this association remain unclear. This study was to explore the effects of PA, SB in the associations between SES and depressive symptoms, respectively.

Methods: Our study included 15,906 adults (age≥20 years) from the National Health and Nutrition Examination Survey (NHANES), 2011-2020.