Effects of physical activity on smartphone addiction in Chinese college students-chain mediation of self-control and stress perception

Table听4 Regression analysis of the multiple mediation model

Dependent variable	Independent variable	R	R²	F	尾	t	P
smartphone addiction	听	0.304	0.092	11.190	听	听	听
听	Age	听	听	听	0.018	0.400	0.690
听	Gender	听	听	听	0.104	2.347	0.019
听	An only child	听	听	听	0.006	0.130	0.897
听	Domicile	听	听	听	鈭�0.087	鈭�2.000	0.046
听	Physical activity	听	听	听	鈭�0.264	鈭�6.468	0.000
self-control	听	0.295	0.087	10.530	听	听	听
听	Age	听	听	听	0.052	1.187	0.236
听	Gender	听	听	听	鈭�0.171	鈭�3.866	0.000
听	An only child	听	听	听	鈭�0.000	鈭�0.009	0.993
听	domicile	听	听	听	0.099	2.270	0.024
听	Physical activity	听	听	听	0.222	5.443	0.000
Stress perception	听	0.613	0.376	55.184	听	听	听
听	Age	听	听	听	鈭�0.032	鈭�0.887	0.375
听	Gender	听	听	听	鈭�0.046	鈭�1.238	0.216
听	An only child	听	听	听	0.030	0.834	0.405
听	domicile	听	听	听	鈭�0.019	鈭�0.533	0.594
听	Physical activity	听	听	听	鈭�0.112	鈭�3.239	0.001
听	self-control	听	听	听	鈭�0.578	鈭�16.389	0.000
smartphone addiction	听	0.628	0.394	51.007	听	听	听
听	Age	听	听	听	0.052	1.461	0.145
听	Gender	听	听	听	0.018	0.481	0.631
听	An only child	听	听	听	鈭�0.000	鈭�0.008	0.994
听	domicile	听	听	听	鈭�0.029	鈭�0.799	0.425
听	Physical activity	听	听	听	鈭�0.119	鈭�3.448	0.000
听	Self-control	听	听	听	鈭�0.444	鈭�10.455	0.000
听	Stress perception	听	听	听	0.190	4.515	0.000

ISSN: 1471-2458