Unraveling the link between physical activity and cognitive function: the mediating impact of depressive symptoms.

ABSTRACT:

Background

This study investigates the association between physical activity and cognitive function in adults aged 50 and older, with a focus on the mediating role of depressive symptoms.

Methods

Data were drawn from Waves 7 to 9 of the English Longitudinal Study of Ageing (ELSA), including 5,499 participants aged 50 years and older. Cognitive function was assessed through measures of episodic memory, numeracy, and orientation. Physical activity was quantified using a composite measure combining the frequency of vigorous, moderate, and light exercise with their respective average metabolic equivalents. Depressive symptoms were evaluated using the CES-D-8 scale. Generalized estimating equations (GEE) were employed to examine the association between physical activity and cogni

SUBMITTER: Zhang L 

PROVIDER: S-EPMC11969828 | biostudies-literature | 2025 Apr

REPOSITORIES: biostudies-literature