Fig 1.
Hypothesis model.
Table 1.
Descriptive statistics.
Table 2.
Correlation analysis results of key variables(n = 5055).
Table 3.
Heterogeneity analysis results.
Table 4.
The chained mediation effect of social support and physical exercise.
Fig 2.
The chained mediation model.
Table 5.
Bootstrap analysis of the chain mediating effect test.