Table 3.

Play time and emotion evaluation of all participants

		Addiction group (n = 151)	Non-addiction group (n = 308)	Fgroup×time	P	η2	Ftime	P	η2	Fgroup	P	η2
Play time (h/week)				7.73	0.00	0.081	43.33	0.00	0.337	10.88	0.00	0.110
	A year ago	3.52 ± 1.89	2.71 ± 1.75**
	Half a year ago	3.19 ± 1.86	2.67 ± 1.74**
	Now	2.63 ± 1.93	2.36 ± 1.73
SAS-SV				116.93	< 0.001	0.204	90.59	< 0.001	0.165	367.63	< 0.001	0.446
	A year ago	41.44 ± 7.45	19.95 ± 7.34***
	Half a year ago	35.32 ± 8.22	20.64 ± 8.78***
	Now	29.58 ± 12.43	20.70 ± 10.67***
SUPPS-P				3.05	0.06	0.007	1.81	0.17	0.004	0.22	0.64	0.000
	A year ago	50.74 ± 9.11	50.36 ± 10.82
	Half a year ago	50.48 ± 9.17	51.05 ± 10.27
	Now	49.62 ± 10.83	50.75 ± 10.52
SASC				0.40	0.62	0.001	6.05	0.01	0.013	9.10	< 0.001	0.020
	A year ago	20.36 ± 4.77	18.98 ± 5.52**
	Half a year ago	20.19 ± 4.67	18.63 ± 5.46**
	Now	19.97 ± 5.36	18.34 ± 5.74**

Abbreviations: SAS-SV, Smartphone addiction scale-short version; SUPPS-P, Short version of UPPS-P impulsive behavior scale; SASC, Social anxiety scale for children. Compare with addiction group, ^**P < 0.01; ^*** P < 0.001