This study examined the impact of physical activity on life satisfaction in middle-aged and older adults in China. Utilizing longitudinal data from the China Health and Retirement Longitudinal Study (CHARLS) conducted in 2015 and 2018, a total of 6484 participants aged 45 or older were included in the analysis.
Methods
Data were collected on sociodemographic, health, and lifestyle variables, physical activity, and life satisfaction. Physical activity was categorized into 3 levels: low (71%), moderate (25%), and high (4%). Ordinal logistic regression and subgroup analysis were used to examine the effect of baseline physical activity on life satisfaction, including the examination of interaction effects.
Results
After adjusting for age, gender, education, marriage, residence, smoking, alcohol use, depressive symptoms, and self-rated health at baseline (2015), compared to the moderate-intensity physical exercise group, those in the low-intensity group experienced significantly lower levels of life satisfaction on follow-up (2018). In the subgroup analyses, a significant negative effect of low-intensity physical activity on life satisfaction was found in all groups regardless of age, education, marital status, smoking, alcohol use, sleep duration, weight, presence of chronic diseases, or self-rated health.
Conclusion
These results support the promotion of physical exercise to enhance life satisfaction among middle-aged and older adults in China.
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