Table 3.

Selected SIENA parameter estimates: Models for individual belief variables^ab

	Model 4: Descriptive Norms				Model 5: Social Expectations				Model 6: Moral Approval
	OR	b		SE	OR	b		SE	OR	b		SE
Friendship Network Parameters
Number of friendship nominations received (i.e., covariate selection)
Beliefs alterc	1.01	0.006	†	0.004	1.02	0.022	**	0.006	1.02	0.024	***	0.005
Alcohol use alter	1.10	0.094	***	0.007	1.06	0.056	***	0.007	1.05	0.052	***	0.010
Number of friendship nominations made
Beliefs egoc	0.96	−0.039	***	0.006	0.95	−0.053	***	0.006	0.96	−0.038	***	0.006
Alcohol use ego	1.00	0.000		0.010	1.00	−0.003		0.009	0.99	−0.009		0.009
Choosing similar friends (i.e., homophilic selection)
Beliefs similarityc	1.11	0.109	***	0.016	1.07	0.066	*	0.026	1.07	0.068	***	0.016
Alcohol use similarity	1.28	0.249	***	0.022	1.18	0.168	***	0.025	1.19	0.177	***	0.021
Moderation of friend selection
Beliefs egoc x Alcohol use alter	0.95	−0.047	***	0.007	1.02	0.019	*	0.008	1.00	0.002		0.009
Alcohol Use Parameters
Friends’ attributes (i.e., influence)
Friends’ alcohol use	2.14	0.759	***	0.046	2.13	0.754	***	0.049	2.05	0.719	***	0.047
Individual behavioral parameters (i.e., effect on alcohol use)
Beliefsc	1.16	0.145	***	0.009	1.22	0.199	***	0.012	1.27	0.240	***	0.012
Moderation of friend influence
Beliefs egoc x Friends’ alcohol use	0.91	−0.095	**	0.032	0.87	−0.136	**	0.039	0.90	−0.100		0.060

^aModels also include parameters for rates, shape, structure, race/ethnicity, gender, and living with two parents.

^bValues across 46 networks with N = 12,335.

^cThis parameter is specific to the moderator variable in each model (e.g., in Model 4 it refers to descriptive norms).

^***p<0.001;

^**p<0.01;

^*p<0.05;

^†p<0.10