Table 4. Multivariable model between Internet addiction and sleep quality in students (n=768)

Variables	Sleep quality
	Crude OR (Crude 95% CI)	p value	Adjusted OR (Adjusted 95% CI)	p value
Internet addiction	3.69 (2.58-5.30)	<0.001	2.98 (2.05-4.34)	<0.001
Academic pressure	1.62 (1.39-1.89)	<0.001	1.47 (1.26-1.73)	<0.001
Using the Internet after 9pm	1.46 (1.25-1.70)	<0.001	1.23 (1.04-1.46)	0.014