Table 3.

The effect of IA on the seven components of PSQI

IA	Subjective sleep quality	Sleep latency	Effective sleep time	Sleep efficiency	Sleep disorders	Using hypnotic drugs	Daytime dysfunction
Yes (mean±SD)	0.73±0.67	0.63±0.74	0.96±0.44	0.64±0.27	0.60±0.53	0.02±0.24	1.21±0.85
No (mean±SD)	0.97±0.72	0.87±0.84	1.04±.0.46	0.72±0.27	0.81±0.57	0.04±0.27	1.73±0.91
F	89.238	68.240	27.549	71.940	102.378	2.392	273.488
p	<0.001	<0.001	<0.001	<0.001	<0.001	0.122	<0.001

IA: Internet addiction, PSQI: Pittsburgh Sleep Quality Index