Table 2.

Regression analysis of relationships among variables.

Regression equation		Global fit metrics			Regression coefficient significance
Outcome variables	Predictor variables	R	R 2	F	Beta	T
Life satisfaction	Gender	0.10	0.01	1.45	0.07	0.70
	Age				−0.02	−0.57
	Grade				−0.01	−0.12
	Physical exercise				0.10	2.20*
Self-control	Gender	0.24	0.06	8.04	0.01	0.06
	Age				−0.08	−1.85
	Grade				0.00	0.06
	Physical exercise				0.21	4.83***
Psychological distress	Gender	0.54	0.29	42.02	−0.14	−3.37**
	Age				−0.01	−0.20
	Grade				−0.00	−0.07
	Physical exercise				−0.07	−1.71
	Self-control				−0.52	−13.51***
Life satisfaction	Gender	0.48	0.23	25.75	−0.00	−0.03
	Age				0.01	0.19
	Grade				−0.01	−0.18
	Physical exercise				−0.01	−0.22
	Self-control				0.30	6.58***
	Psychological distress				−0.25	−5.41***

*p < 0.05, **p < 0.01, ***p < 0.001.