Table 6.

Multilevel analyses of moderation of peer norms by drinking status, extreme peer orientation, and gender, controlling for baseline age

Moderator variable	Willingness–best-friend		Willingness–classmate
	Interaction odds ratio	[95% CI]	Interaction odds ratio	[95% CI]
Gender
Injunctive norms–close friend	0.73	[0.55, 0.98]*	0.82	[0.60, 1.11]
Descriptive norms–close friend	0.96	[0.43, 2.17]	0.67	[0.32, 1.41]
Descriptive norms–classmate	0.73	[0.47, 1.15]	0.77	[0.47, 1.26]
Baseline alcohol use–ever sip
Injunctive norms–close friend	0.81	[0.61, 1.09]	0.77	[0.57, 1.05]
Descriptive norms–close friend	0.26	[0.11, 0.58]***	0.26	[0.13, 0.53]***
Descriptive norms–classmate	0.62	[0.39, 0.97]*	0.58	[0.36, 0.95]*
Baseline alcohol use–ever full drink
Injunctive norms–close friend	1.19	[0.73, 1.93]	1.16	[0.74, 1.80]
Descriptive norms–close friend	1.65	[0.62, 4.39]	1.56	[0.67, 3.64]
Descriptive norms–classmate	0.99	[0.39, 2.54]	1.09	[0.47, 2.54]
Extreme peer orientation
Injunctive norms–close friend	0.93	[0.81, 1.09]	0.94	[0.81, 1.08]
Descriptive norms–close friend	0.52	[0.33, 0.83]**	0.68	[0.48, 0.98]*
Descriptive norms–classmate	0.70	[0.56, 0.87]**	0.80	[0.64, 1.01]

Notes: Models included a given interaction terms as well as the main effects and the covariate. Ns from 996 to 997 (between subjects) and 2,758 to 2,772 (within subjects). 95% CI = 95% confidence interval.

^*p <. 05

^**p < .01

^***p < .001