Table 2.

Regression coefficients for the serial mediation model.

Regression models		Model fit statistics			Coefficient		Confidence interval
Dependent variable	Independent variable	R	R2	F	β	t	LLCI	ULCI
General self-efficacy	Perceived task value in sport	0.184	0.034	20.015***	0.184	4.474	0.103	0.265
Action planning	Perceived task value in sport	0.371	0.138	45.528***	0.185	4.671	0.107	0.263
	General self-efficacy				0.290	7.318	0.212	0.368
Exercise adherence	Perceived task value in sport	0.473	0.224	54.603***	0.296	7.733	0.221	0.372
	General self-efficacy				0.218	5.538	0.141	0.295
	Action planning				0.150	3.764	0.072	0.228

^*p < 0.05, ^**p < 0.01, ^***p < 0.001.

Coefficients are standardized regression coefficients (β) obtained from the SPSS PROCESS output and were used to test the paths in the serial mediation model (consistent with Figure 2).