The influence of physical activity on internet addiction among Chinese college students: the mediating role of self-esteem and the moderating role of gender

Table 3 Regression analysis of the mediating role of self-esteem (N = 855)

Implicit variable		Overall fit index			Significance of regression coefficients
Outcome variable	Predictor variable	R	R²	F	β	SE	LLCI	ULCI	t
Self-esteem	Gender	0.32	0.10	23.89	−0.20	0.47	−0.29	−0.11	−4.31^**
	Age				0.02	0.03	−0.002	0.32	1.69
	Grade				−0.002	0.02	−0.04	−0.04	0.03^**
	Physical activity				0.22	0.03	0.17	0.26	10.06^**
Internet addiction	Gender	0.31	0.10	18.07	0.09	0.04	0.01	0.18	2.20^**
	Age				0.001	0.01	−0.01	0.02	0.14^**
	Grade				−0.01	0.02	−0.05	0.02	−0.74
	Physical activity				−0.14	0.03	−0.20	−0.09	−5.44^**
	Self-confidence				−0.15	0.03	−0.21	−0.09	−4.93^**

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