Research on the Mechanism of Physical Exercise Affecting Residents’ Self-rated Health : —— Empirical analysis based on CFPS2018 data

Self-assessment of health status can reflect residents’ quality of life to a certain extent, but its subjective and objective influencing factors are complex. Based on the data of the National Family Tracking Survey (CFPS) in 2018, this paper uses the Ordered Probit Logistic Regression Model to empirically study the influence mechanism of physical exercise on individual self-rated health. The results show that taking part in physical exercise can significantly improve the self-rated health level of individuals, and it has a greater impact on people who meet the standards of physical exercise. Physical exercise can directly affect the self-rated health level, and it can also indirectly affect the self-rated health level with the help of physical and mental health, social capital and income level, and its indirect contribution is 40.45%, 14.88%, 3.06% and 6.55%, respectively. According to the analysis of group differences in gender, urban and rural areas and marriage, Physical exercise has a great influence on the self-rated health of women, urban residents and unmarried residents, and has a great influence on the mediation effect of their mental health. From the difference of educational background, physical exercise has a great influence on the self-rated health of low-educated and high-educated people, but it is the intermediary effect of physiology and income that has a great influence on the self-rated health of low-educated people. Psychological mediation effect has a great influence on highly educated groups. From the perspective of intergenerational differences, physical exercise has a great influence on the income and social effects of the groups before and after the 60s, but it has no significant influence on the income and social effects of the young and middle-aged groups after the 80s and 90s, which may be one of the reasons why the young and middle-aged people frequently die of overwork.