Hypothesis model test
LLCI
A structural equation model was constructed to examine the mediating effects of physical fitness, self-control and executive functions on the relationship between Tai Chi exercise and SWB, with Tai Chi exercise as the independent variable and SWB as the dependent variable. The fit of the overall model was set up and tested in SPSS-Amos28 software. The results showed that all the adaptation indexes were within the statistical range, indicating that the mediation model was well fitted (χAccording to the results in Fig. 
Mediating effect model of Tai Chi exercise and subjective Well-being
Test for mediating effect on Tai Chi exercise and subjective Well-beingNote: TC = Tai Chi exercise; LLCI = low limit for confidence interval; ULCI = upper limit for confidence interval