Why the study?
To examine the association between moderate-to-vigorous physical activity and global cognitive function among older Chinese adults, and evaluate mediation by depressive symptoms and moderation by age.
Is moderate-to-vigorous physical activity associated with better global cognitive function in community-dwelling older Chinese adults?
Population
5318 community-dwelling adults aged ≥60 years in China
Comparison
Levels of moderate-to-vigorous physical activity
Design
Cross-sectional, survey-weighted analysis
Key result
Higher moderate-to-vigorous physical activity was positively associated with better global cognitive function among older Chinese adults (standardized β = 0.38; 95% CI 0.34-0.42).
Authors
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MVPA associated with better global cognition longitudinally; leaves open whether increasing activity improves outcomes in trials.
Cross-Sectional (n=5,318)
Is moderate-to-vigorous physical activity associated with better global cognitive function in community-dwelling older Chinese adults?
Effect estimate: standardized β = 0.38 (95% CI 0.34-0.42)
Higher moderate-to-vigorous physical activity is associated with better global cognitive function in older Chinese adults, an effect partially mediated by lower depressive symptoms and strengthened at older ages.
Song et al. (2026) conducted a cross-sectional in cognitive function (n=5,318). Moderate-to-vigorous physical activity (MVPA) was evaluated on global cognitive function (standardized β = 0.38, 95% CI 0.34-0.42). Higher moderate-to-vigorous physical activity was positively associated with better global cognitive function among older Chinese adults (standardized β = 0.38; 95% CI 0.34-0.42).
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