Key result
High levels of physical activity were associated with significantly lower odds of depressive symptoms compared to low physical activity levels (OR 0.618) among community-dwelling adults in China.
Why the study?
While the association between physical activity and depression has been established, research on the effect of physical activity on depression risk among Chinese individuals is limited.
Does moderate to high physical activity reduce depressive symptoms in community-dwelling adults?
Cross-Sectional (n=5,583)
Does moderate to high physical activity reduce depressive symptoms in community-dwelling adults?
Moderate to high levels of physical activity are associated with a lower risk of depressive symptoms in Chinese adults, particularly among men and low-income households.
Answers are grounded in this paper and cite their sources.
Association supports exploring physical activity for depressive symptoms; leaves open causality and needs prospective trials before practice change.
Background While the association between physical activity (PA) and depression has been established, there is limited research on the effect of PA on the risk of depression among Chinese individuals. Thus, this study aimed to investigate the relationship between PA and depression among Chinese individuals. Methods We used a stratified random sampling approach to recruit participants from five urban districts in Wuhan, China. A total of 5,583 permanent residents aged 18 years or older completed questionnaires, which included the International Physical Activity Questionnaire Short Form (IPAQ-SF) to measure PA, and the 9-item Patient Health Questionnaire (PHQ-9) to evaluate depressive symptoms. To control for potential confounders, multiple logistic regression was employed to assess the association of PA with depression. Results The depression group had significantly lower weekly PA levels, measured in metabolic equivalent of task-minutes per week (MET-min/w), compared to the non-depression group [1,770 (693–4,200) MET-min/w vs. 2,772 (1,324–4,893) MET-min/w, p < 0.001]. In the fully adjusted model, the moderate and high PA level groups had lower odds ratios (ORs) for depressive symptoms compared to the low PA level group [OR (95% confidence interval (CI)) = 0.670 (0.523–0.858), 0.618 (0.484–0.790), respectively]. Among males, moderate and high levels of PA were associated with lower risk of depression compared to low PA levels [OR (95% CI) = 0.417 (0.268–0.649), 0.381 (0.244–0.593), respectively]. However, this association was not observed in females [OR (95% CI) = 0.827 (0.610–1.121), 0.782 (0.579–1.056), respectively]. The study found a significant interaction between PA levels and gender in relation to depression ( P for interaction = 0.019). Conclusion The findings suggest a negative association between PA and risk of depressive symptoms, indicating that moderate to high levels of PA may serve as a protective factor against depressive symptoms.
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Wu et al. (2023) conducted a cross-sectional in Depressive symptoms (n=5,583). High physical activity vs. Low physical activity was evaluated on Depressive symptoms (PHQ-9 score ≥ 5) (OR 0.618, 95% CI 0.484-0.790, p=<0.001). High levels of physical activity were associated with significantly lower odds of depressive symptoms compared to low physical activity levels (OR 0.618) among community-dwelling adults in China.
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