Table 4.

Effect sizes of the overall mediation effects of the association between PA (X) and ESE (Y).

Trials	β	SE	LLCI	ULCI	Proportion (%)
Aggregate effect	0.340	0.049	0.480	0.674	100%
Direct effect	0.231	0.050	0.293	0.492	67.9%
Intermediary effect	0.108	0.013	0.082	0.136	32.1%
PA-UCLA-ESE	0.011	0.005	0.002	0.024	3.5%
PA-PSPP-ESE	0.097	0.013	0.071	0.124	28.5%

PA physical activity, UCLA loneliness, ESE exercise self-efficacy, PSPP body image.