Table 3. Models predicting perceived norms of peer marijuana use.

	Model 1 (Time + Person Level Covariates)			Model 2 (Model 1 + Time Varying Covariates)			Model 3 (Model 2 + Gender × Time Interaction)			Model 4: (Model 2 + Race/Ethnicity × Time Interaction)
	Estimate	SE	P	Estimate	SE	P	Estimate	SE	P	Estimate	SE	P
Constant	−4.82	0.23	0	−3.01	0.19	<0.001	−2.72	0.19	<0.001	−2.74	0.19	<0.001
Time	0.68	0.02	<0.001	0.42	0.02	<0.001	0.49	0.02	<0.001	0.45	0.02	<0.001
Age at baseline	0.62	0.02	<0.001	0.41	0.02	<0.001	0.39	0.02	<0.001	0.39	0.02	<0.001
Male	−0.42	0.03	<0.001	−0.34	0.03	<0.001	−0.34	0.03	<0.001	−0.31	0.03	<0.001
White	0.25	0.06	<0.001	0.38	0.05	<0.001	0.36	0.05	<0.001	0.36	0.05	0.095
Black	−0.01	0.10	0.888	0.15	0.08	0.084	0.14	0.08	0.086	0.14	0.08	0.903
Asian	−0.21	0.05	<0.001	0.03	0.04	0.514	0.03	0.04	0.51	0.01	0.04	0.587
Other	−0.11	0.06	0.061	0.04	0.05	0.44	0.05	0.05	0.34	0.03	0.05	<0.001
Hispanic/Latino(a)	Reference	--	--	Reference	--	--	Reference	--	--	Reference	--	--
Marijuana Peer Use				0.92	0.02	<0.001	0.91	0.02	<0.001	0.91	0.02	<0.001
Marijuana Own Use				0.25	0.08	0.001	0.22	0.08	0.003	0.22	0.08	0.004
Marijuana Offers				0.36	0.01	<0.001	0.36	0.01	<0.001	0.35	0.01	<0.001
Male × Time							−0.14	0.03	<0.001
White × Time										0.05	0.05	0.307
Black × Time										−0.01	0.09	0.926
Asian × Time										−0.13	0.04	0.003
Other × Time										−0.13	0.05	0.011