Table 2.

Multiple regression analyses predicting weekly alcohol consumption at the 1-month follow-up and the 3-month follow-up

	Weekly Alcohol Consumption at the 1-Month Follow-up						Weekly Alcohol Consumption at the 3-Month Follow-up
	Completers Only n = 278			Multiple Imputed n = 575			Completers Only n = 278			Multiple Imputed n = 575
	Beta	SE	P	Beta	SE	P	Beta	SE	P	Beta	SE	P
Sex (males)	1.16	.21	< .001	0.80	.18	< .001	1.01	.20	< .001	0.86	.11	< .001
Age	0.15	.04	< .001	0.13	.03	< .001	0.21	.04	< .001	0.15	.03	< .001
Education	0.07	.08	.37	0.23	.07	< .001	0.29	.08	< .001	0.32	.06	< .001
NNFa	0.37	.20	.06	0.01	.16	.95	0.13	.18	.49	0.02	.16	.89
NFb	0.25	.20	.21	-0.09	.16	.56	0.18	.19	.34	0.03	.16	.83
Interaction NNF by sex	-0.80	.31	.01	-0.69	.26	.009	-0.58	.30	.05	-0.75	.26	.004
Interaction NF by sex	-0.74	.31	.02	-0.64	.26	.01	-0.34	.29	.25	-0.65	.25	.01

^a NNF= Intervention without normative feedback

^b NF = Intervention with normative feedback