TABLE 1.

Descriptive statistics among the variables (N = 416).

Variables	Girls (N = 212)			Boys (N = 204)			t-test
	Range	M	SD	Range	M	SD
Age (years)	12–17	14.52	1.34	11–18	14.61	1.50	–0.67
Education level (years)	7–11	8.67	1.49	7–11	8.75	1.66	–0.49
Network age (years)	0–13	4.94	2.56	0–14	5.06	2.96	–0.44
Internet usage time (hours)	0–10	1.64	1.79	0–14	1.65	2.04	–0.07
Online game time (hours)	0–7	0.36	0.86	0–9	0.88	1.45	–4.36∗∗
Internet addiction	0–8	2.06	1.81	0–8	2.33	1.93	–1.49
Impulsivity	37–131	70.64	14.45	30–147	71.89	16.39	–0.83
BAS	29–52	43.67	5.29	29–52	42.51	5.18	2.24∗
BIS	11–28	20.82	3.25	14–28	20.03	2.85	2.63∗∗
Problem-focused coping	35–75	58.62	8.23	19–75	57.01	10.29	1.76
Emotion-focused coping	18–68	40.33	7.94	17–62	39.60	8.01	0.93

^∗p < 0.05; ^∗∗p < 0.01.