Table 4.

Multivariate regression models for alcohol and marijuana use (n = 817)

	Alcohol use		Marijuana use
Variable	b	SE	b	SE
Constant	−0.45	0.35	0.26	0.19
Prevalence of alcohol content online	0.56**	0.09	–	–
Anticipated regret	−0.23**	0.06	−0.12**	0.03
Promotive AOD norms online	−0.12	0.07	−0.02	0.04
Online peer support	−0.09*	0.04	−0.003	0.03
Peer support	0.10	0.05	0.02	0.03
Peer substance use	0.61**	0.06	0.28**	0.03
Sex	−0.16	−0.160	0.5**	0.06
Education	0.14**	0.06	−0.05	0.03
Age 21 years or older	0.20	0.11	−0.06	0.06
Internet use	−0.01	0.04	−0.02	0.02
White	0.16	0.11	0.01	0.06
R2	.43		.17

Note: AOD = alcohol or other drugs.

^*p < .05;

^**p < .01.