Table 3.

Results of the logistic regression for factors associated with the practice of binge drinking in the month prior to the research among students in private high schools (n = 2561).

Variable		cOR[95%CI]	aOR[95%CI]	p value
Sociodemographic
Age		1.36[1.20-1.52]	1.46[1.23-1.73]	< 0.001
Gender	Male	1.62[1.26-2.08]	1.53[1.16-2.01]	0.004
	Female			reference
Monthly Tuition	US$ 100- US$190	0.38[0.29-0.46]	0.59[0.39-0.91]	0.018
	US$ 191- US$ 260	0.50[0.40-0.64]	0.59[0.42-0.83]	0.004
	US$ 261- US$ 480	0.47[0.32-0.68]	0.53[0.33-0.85]	0.011
	US$ 481 -US$ 1300			reference
Family
Living with mother	No	1.91[1.31-2.78]	2.43[1.26-4.07]	0.010
	Yes			reference
10 min talks with parents	Never	1.32[1.06-1.66]	1.68[1.28-2.21]	0.003
	Sometimes/rarely	0.99[0.55-1.81]	1.51[0.70-3.28]	0.280
	Always/often			reference
Parents talk about drugs	Always/often	1.41[1.16-1.80]	1.80[1.29-2.52]	< 0.001
	Sometimes/rarely	1.19[0.88-1.61]	1.24 [0.92-1.68]	0.149
	Never			reference
Someone you live with gets drunk	No	0.54[0.40-0.73]	0.56[0.44-0.71]	< 0.001
	Yes			reference
Leisure
You went out with friends at night	Almost every day	36.23[15.01-87.44]	33.88[14.22-80.70]	< 0.001
	At least once a week	12.77[7.30-22.32]	12.09[6.78-21.54]	< 0.001
	1 to 3 times a month	3.63[1.86-7.10]	3.39[1.71-6.72]	0.001
	Not even once			reference
Religiosity
You trusted in God	Not at all	1.78[1.27-2.47]	1.35[0.88-2.07]	0.159
	A little/sort of	1.55[1.28-1.88]	1.58[1.22-2.03]	0.001
	A lot/very much			reference
Participation in religious services
	Almost every day	0.36[0.21-0.60]	0.50[0.27-0.91]	0.026
	At least once a week	0.53[0.44-0.65]	0.69[0.53-0.88]	0.005
	1 to 3 times a month	1.11[0.87-1.42]	1.22[0.91-1.64]	0.166
	Not even once			reference

aOR = adjusted odds ratio (final model)

cOR = crude odds ratio