Internet Addiction and Sleep Disorders among Medical Students

Table 2

Comparison of sleep quality between participants with Internet addiction.

PSQI categories	No Internet addiction	At risk of Internet addiction	Having Internet addiction	Total	value
	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD
Subjective sleep quality	0.96 ± 0.75	1.2 ± 0.85	1.12 ± 0.83	1.05 ± 0.8	0.04
Sleep latency	1.01 ± 0.88	0.99 ± 0.89	1.62 ± 1.18	1.62 ± 1.18	0.240
Sleep duration	0.83 ± 0.59	0.96 ± 0.54	0.87 ± 0.64	0.87 ± 0.64	0.108
Habitual sleep efficiency	0.19 ± 0.54	0.31 ± 0.67	0.75 ± 1.16	0.75 ± 1.16	0.037
Sleep disturbances	0.78 ± 0.48	1.11 ± 0.72	0.8 ± 0.83	0.8 ± 0.83	0.025
Use of sleeping medication	0.17 ± 0.5	0.44 ± 0.71	0.37 ± 0.74	0.37 ± 0.74	<0.001
Daytime dysfunction	0.99 ± 0.94	1.22 ± 1.03	1.37 ± 1.3	1.37 ± 1.3	0.122
Global PSQI index	4.58 ± 2.7	5.97 ± 3.16	6.6 ± 4.77	6.6 ± 4.77	0.026