Table 2.

Predicting number of drinks and heavy drinking episodes on the daily level

	Number of drinks				Heavy drinking episode
Predictor	Intercept-only and Individual Main Effects Models Estimates1		Final Model		Intercept-only and Individual Main Effects Model Estimates1		Final Model
	b2	(SE)	b2	(SE)	b2	(SE)	b2	(SE)
Intercept	0.18 **	0.11	0.05 **	0.21	0.03**	0.14	0.00**	0.40
Level 1 (within person/daily effects)
Daily alcohol intentions (0=no intention drink any alcohol; 1=intends to consume ≥1 standard alcoholic drink)	4.85 **	0.06	3.60 **	0.06	21.1**	0.06	10.52**	0.28
Daily alcohol salience (0=did not think about alcohol or alcohol venues; 1=thought about alcohol or alcohol-related places and activities)	5.26 **	0.09	3.35 **	0.09	1.58**	0.05	6.79**	0.41
Weekend	1.47 **	0.05	1.24 **	0.05	1.79*	0.20	1.46†	0.22
Level 2 (between person effects)
Gender (1=male;0=female)	2.24 *	0.23	1.64 *	0.16	1.85*	0.28	1.38	0.30
Age grand mean centred	0.99	0.01	1.00	0.01	1.01	.014	1.01	0.02
Race Reference group is White
African American	0.58 †	.31	0.74	0.21	0.95	0.37	1.11	0.40
Latino/Hispanic	0.89	.35	1.16	0.23	1.74	0.40	3.25*	0.42
Asian/Pacific Islander	0.77	.31	0.99	0.21	0.81	0.40	1.36	0.43
Education (0=high school or less; 1=associate’s degree or higher)	1.22	0.24	1.15	0.17			0.95	0.33
Income grand mean centred	1.03 †	0.01	1.01	0.01			1.00	0.02
CAGE Questionnaire (0=endorsement of < 2 items; 1=endorsement of ≥ 2 items)	2.08 **	0.26	2.58 **	0.18	6.97**	0.29	4.16**	0.31
Center for Epidemiologic Studies Depression Scale grand mean centred	0.98	0.03			1.03	0.03
Intracalss correlation	0.78				0.43

¹Each estimate in this column is unadjusted for all other predictors; the final model column presents the adjusted estimates from the combined effects model.

²Estimates provided are exponentiated betas to reflect the true drink number estimate or odds ratio

^†P <0.10 (marginally significant),

^*P <0.05,

^**P <0.0001.