Table 3. Multiple model of internet addiction in high school adolescents, Rio Branco, Acre, Brazil, described in Odds Ratio and 95% confidence interval.

	OR	95%CI	p-value
Sex
Male	1
Female	1.84	1.21 - 2.80	0.004
Computer time during the week
Up to two hours a day	1
More than two hours a day	2.39	1.18 - 4.85	0.015
Computer time during the weekend
Up to two hours a day	1
More than two hours a day	2.08	1.36 - 3.18	0.001
Physical activity
> 300 minutes	1
150 to 299 minutes	1.21	0.64 - 2.30	0.543
1 to 149 minutes	1.24	0.68 - 2.28	0.469
Does not practice physical activity	2.27	1.42 - 3.64	0.001
Reading newspapers, magazines or books
Rarely or never	1
Monthly	1.08	0.66 - 1.77	0.744
Weekly	0.69	0.44 - 1.07	0.099
Going out to dance in nightclubs or shows
Rarely or never	1
Monthly	1.74	1.08 - 2.79	0.021
Weekly	3.32	1.99 - 5.56	<0.001

OR: Odds Ratio; 95%CI: 95% confidence interval.