Table 3. Odds Ratios for Covariates of Class Membership in the More Severe class relative to the Less Severe class using the 3-Step Method.

Covariate	B	S.E. (B)	OR	95% CI
				LL	UL
Gender	0.01	.03	1.01	0.96	1.07
Descriptive norms	0.03	.02	1.03	0.99	1.07
Injunctive norms	0.00	.02	1.00	0.97	1.04
Protective behaviors	0.00	.02	1.00	0.97	1.04
DRSE	-0.03*	.01	0.97	0.95	0.99
Drinker identity	0.09**	.03	1.10	1.04	1.16
Psychological distress	0.10	.10	1.10	0.91	1.33
Frat/sor status	0.20	.43	1.22	0.53	2.85

Note. DRSE=drinking refusal self-efficacy. Frat/sor status=membership in a fraternity/sorority

^*p < .05.

^**p < .01.