Table 2:

Comparison the Internet addiction scores before and after intervention

Variable	Group	Before intervention	After intervention	Difference before and after intervention	P of intra-group comparison
compulsive Internet use	Experimental group (n=60)	13.70±4.60	11.73±4.85	1.97±1.78	<0.001
	Control group (n=61)	13.67±4.11	13.15±4.28	0.52±1.13	0.001
	t	0.035	−1.701	5.313
	P	0.972	0.092	<0.001
Withdrawal behavior and withdrawal reaction	Experimental group (n=60)	12.58±4.22	10.87±4.53	1.72±2.38	<0.001
	Control group (n=61)	13.82±4.52	13.48±4.56	0.34±1.14	0.021
	t	1.554	3.157	4.057
	P	0.123	0.002	<0.001
Internet addiction tolerance	Experimental group (n=60)	10.52±3.47	8.15±4.12	2.37±2.08	<0.001
	Control group (n=61)	9.90±3.88	9.15±4.12	0.75±1.14	<0.001
	t	0.919	1.332	5.300
	P	0.360	0.185	<0.001
Time management problems	Experimental group (n=60)	13.87±4.06	11.93±4.06	1.93±1.89	<0.001
	Control group (n=61)	13.51±4.65	12.95±4.60	0.56±1.04	<0.001
	t	0.452	1.290	4.980
	P	0.652	0.200	<0.001
Interpersonal health problems	Experimental group (n=60)	18.13±5.49	15.8±5.30	2.33±2.45	<0.001
	Control group (n=61)	17.7±5.43	17.21±5.67	0.49±1.19	0.002
	t	0.432	1.415	5.264
	P	0.667	0.160	<0.001
Total score of Internet addiction	Experimental group (n=60)	68.80±7.05	58.48±6.96	10.32±5.47	<0.001
	Control group (n=61)	68.61±8.93	65.93±9.74	2.67±2.66	<0.001
	t	0.132	4.836	9.795
	P	0.895	<0.001	<0.001