Table 4.

Logistic regression analysis on association between scores on Internet Addiction Test (IAT) and sleep quality^†.

Item	B	S.E.	OR (95% CI)	p
Total score	0.04	0.01	1.05 (1.03 – 1.06)	<0.01∗
Salience	0.20	0.04	1.22 (1.14 – 1.30)	<0.01∗
Excessive use	0.16	0.03	1.17 (1.10 – 1.25)	<0.01∗
Neglect of work	0.09	0.05	1.10 (0.99 – 1.21)	0.07
Anticipation	0.19	0.06	1.21 (1.07 – 1.38)	<0.01∗
Lack of control	0.22	0.05	1.24 (1.13 – 1.36)	<0.01∗
Neglect of social life	0.22	0.06	1.24 (1.11 – 1.39)	<0.01∗

^†Controlled for age, body mass index (BMI), smoking and drinking habits, religion, and habitual use of smartphone before sleep; ^∗p < 0.05; B, regression coefficient; S.E., standard error; OR, odds ratio; and CI, confidence interval.