A correlation study between physical activity and disability in Chinese elderly
Objective To explore the effects of different physical activity levels on the disability of the elderly in China,and provide the scientific basis for the prevention and intervention of the disability in Chinese elderly.Methods Based on the data of the China Health and Retirement Longitudinal Survey(CHARLS)in 2018,the cross-sectional analysis method was used to analyze the physical activity level and disability among the elderly by including 7 349 valid samples.Thex2test and multi-factor logistic regression were used to analyze the data.The used software was Stata 15.0.Results The mild disability rate was 22％,moderate disability rate was 7％,severe disability rate was 4％in Chinese elderly.The results of multiple logistic regression showed that as compared to low physical activity level,moderate physical activity level(OR=0.459,95％CI:0.396-0.532)and high physical activity level(OR=0.316,95％CI:0.276～0.363)had low risk of total disability;moderate physical activity level(OR=0.707,95％CI:0.593-0.843)and high physical activity level(OR=0.522,95％CI:0.443-0.616)had low risk of mild disability;moderate physical activity level(OR=0.371,95％CI:0.290-0.414)and high physical activity level(OR=0.212,95％CI:0.168-0.269)had low risk of moderate disability;moderate physical activity level(OR=0.138,95％CI:0.102-0.189)and high physical activity level(OR=0.078,95％CI:0.058-0.104)had low risk of severe disability.Results of the stratified analysis showed that as compared to low physical activity level,moderate and high physical activity levels played the big role for reducing the risk of disability in elderly with female(OR=0.344,95％CI:0.286-0.414),education level≤primary school(OR=0.327,95％CI:0.275-0.389),education level ≥ middle school(OR=0.365,95％CI:0.267-0.498),age ≥80 years old(OR=0.243,95％CI:0.154-0.383),urban area(OR=0.237,95％CI:0.169-0.334),married(OR=0.348,95％CI:0.293-0.413),number of chronic diseases ≥3(OR=0.292,95％CI:0.136-0.625),smoking(OR=0.349,95％CI:0.285-0.428),drinking(OR=0.338,95％CI:0.292-0.391).Conclusion Elderly with low physical activity level could develop the disability,the moderate and high physical activity levels could reduce the disability in elderly.It is suggested to pay attention to preventive effect of physical activity on disability in elderly,to popularize the knowledge of health exercise,and to actively guide the elderly to improve their physical activity level.
ElderlyPhysical activityDisabilityChina Health and Retirement Longitudinal Survey
NETL
NSTL
万方数据
