Table 3.

Logistic and Normal Regression Multilevel Models Predicting Descriptive and Injunctive Norms

	Logistic Regression: % Friends Drinking N = 301 N (days) = 8,217		Normal Regression: Friend Approval of Drinking N = 303 N (days) = 8,260		Logistic Regression: Friend Acceptable # of Drinks N = 303 N (days) = 8,151
	Odds Ratio	95% CI LL, UL	beta	95% CI LL, UL	Odds Ratio	95% CI LL, UL
Intercept	0.16***	0.07, 0.37	0.94***	0.80, 1.08	0.50*	0.26, 0.98
Person-Level
Male Biological Sex	1.68	0.73, 3.83	−0.20**	−0.34, −0.06	1.14	0.58, 2.22
Age	1.56*	1.06, 2.29	0.01	−0.06, 0.08	1.70**	1.24, 2.33
Race (White, NH - reference)
Asian, NH	0.42	0.13, 1.39	−0.10	−0.31, 0.11	0.32*	0.12, 0.84
Black, NH	1.02	0.29, 3.54	0.04	−0.17, 0.25	1.18	0.43, 3.24
Hispanic	0.65	0.26, 1.60	0.04	−0.11, 0.20	1.74	0.83, 3.64
Another Race	0.22	0.02, 2.01	0.05	−0.34, 0.45	0.51	0.09, 2.97
Lifetime Drinking	1.03	0.61, 1.73	0.08	−0.01, 0.17	0.85	0.55, 1.29
Attitudes (GMC)	4.59***	2.70, 7.80	0.32**	0.24, 0.40	16.24***	10.10, 26.10
Prototype Favorability (GMC)	1.32	0.85, 2.07	0.10*	0.02, 0.18	1.77**	1.23, 2.56
Prototype Similarity (GMC)	1.97**	1.23, 3.16	0.04	−0.04, 0.13	1.08	0.74, 1.58
Perceived Vulnerability (GMC)	1.67*	1.10, 2.53	0.04	−0.02, 0.11	2.26***	1.62, 3.15
Daily-Level
Weekend	3.71***	3.15, 4.37	0.17**	0.15, 0.20	3.18***	2.70, 3.74
Month	1.20***	1.11, 1.30	0.03***	0.02, 0.05	1.18***	1.09, 1.28
Burst	0.93	0.85, 1.01	−0.02*	−0.03, −0.00	0.70***	0.64, 0.77
Attitudes (CWP)	1.75***	1.59, 1.93	0.15***	0.13, 0.16	4.39***	3.74, 5.15
Prototype Favorability (CWP)	2.13***	1.69, 2.69	0.20**	0.16, 0.23	1.98***	1.57, 2.49
Prototype Similarity (CWP)	1.55***	1.35, 1.78	0.13**	0.10, 0.15	1.32***	1.14, 1.53
Perceived Vulnerability (CWP)	1.10*	1.01, 1.20	0.02*	0.00, 0.03	1.10*	1.02, 1.20

Note: Daily-level predictors were centered within-person (CWP); Person-level predictors were grand-mean-centered (GMC); LL = lower limit; UL = upper limit; NH = Non-Hispanic

^*p < .05

^**p < .01

^***p < .001