The relationship between physical activity and social network site addiction among adolescents: the chain mediating role of anxiety and ego-depletion

Table 3 Mediation model test

Outcome variables	Predictor variables	β	SE	t	R²	F
Social network site addiction	Physical activity	−0.170	0.029	−5.759***	0.070	22.108***
	Gender	0.104	0.029	3.557***
	Age	0.187	0.029	6.459***
	Only child	0.001	0.029	0.398
Anxiety	Physical activity	−0.118	0.030	−3.931***	0.035	10.540***
	Gender	0.083	0.030	2.796
	Age	0.123	0.029	4.165***
	Only child	−0.048	0.029	−1.633
Ego-depletion	Physical activity	−0.057	0.024	−2.373*	0.381	143.686***
	Anxiety	0.545	0.023	23.265***
	Gender	0.107	0.024	4.474***
	Age	0.160	0.024	6.729***
	Only child	0.095	0.023	4.035***
Social network site addiction	Physical activity	−0.110	0.027	−4.121***	0.251	65.219***
	Anxiety	0.183	0.031	5.867***
	Ego-depletion	0.312	0.032	9.698***
	Gender	0.041	0.027	1.547
	Age	0.094	0.027	3.504***
	Only child	−0.001	0.026	−0.049

ISSN: 2050-7283