Table 4.

Odds ratios (95% CI) of the association of risky problem drinking (Class 2) and regular problem drinking (Class 3) relative to non-problem drinking (Class 1) based on unadjusted and adjusted multinomial latent class logistic regression models

	Risky problem drinkers (Class 2) vs. non-problem drinkers (Class 1)		Regular problem drinkers (Class 3) vs. non-problem drinkers (Class 1)
	Unadjusted OR (95% CI)	Adjusted OR (95% CI)	Unadjusted OR (95% CI)	Adjusted OR (95% CI)
Sex (male vs. female)	1.0 (0.7, 1.3)	2.3 (1.8, 2.9)^*	3.1 (2.4, 4.0)^*	3.5 (2.5, 5.0)^*
Age (18−20 vs. 16−17)	0.5 (0.3, 0.7)^*	1.2 (0.9, 1.5)	2.3 (1.8, 3.0)^*	2.2 (1.6, 3.2)^*
Current cigarette use	2.1 (1.6, 2.7)^*	2.8 (2.2, 3.6)^*	5.0 (4.0, 6.2)^*	3.2 (2.3, 4.6)^*
Current marijuana use	3.2 (2.4, 4.5)^*	4.0 (2.8, 5.6)^*	10.8 (8.9, 13.2)^*	10.2 (6.9, 15.2)^*
Early onset drinking	2.3 (1.8, 3.0)^*	2.2 (1.7, 2.8)^*	5.0 (3.9, 6.5)^*	4.2 (3.0, 5.8)^*
Most peers in community drink	1.3 (1.1, 1.7)^*	1.0 (0.8, 1.3)	3.4 (2.6, 4.4)^*	1.4 (0.9, 2.0)
Most friends drink	2.1 (1.6, 2.7)^*	4.0 (3.1, 5.1)^*	16.4 (12.3, 22.0)^*	10.8 (7.0, 16.7)^*
Most friends get drunk weekly	1.6 (1.0, 2.6)	2.0 (1.3, 3.1)^*	20.7 (14.7, 29.0)^*	10.6 (6.9, 16.2)^*
Parents yell/punish if caught drinking	1.7 (1.2, 2.4)^*	1.2 (0.9, 1.5)	0.5 (0.4, 0.6)^*	1.1 (0.8, 1.5)

p ≤ 0.05.