Table 2.

Regression models among variables.

Variables	Model 1: academic engagement	Model 2: interpersonal relationships	Model 3: academic support	Model 4: academic engagement
Grade	−0.224***	−0.241***	0.060	−0.145***
	(0.033)	(0.035)	(0.038)	(0.032)
Physical activity	0.360***	0.173***	0.150***	0.288***
	(0.033)	(0.035)	(0.037)	(0.032)
Interpersonal relationships			0.110**	0.338***
			(0.038)	(0.032)
Academic support				0.078*
				(0.031)
R 2	0.204	0.101	0.039	0.317
Adj. R2	0.201	0.098	0.035	0.314

Standardized regression coefficients are displayed, with standard errors in parentheses. *p < 0.05, **p < 0.01, ***p < 0.001.