Table 4. Models predicting perceived norms of peer cigarette 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	−2.09	0.17	<0.001	−1.29	0.15	<0.001	−1.28	0.15	<0.001	−1.28	0.15	<0.001
Time	0.31	0.01	<0.001	0.23	0.01	<0.001	0.27	0.02	<0.001	0.25	0.02	<0.001
Age at baseline	0.35	0.01	<0.001	0.25	0.01	<0.001	0.25	0.01	<0.001	0.25	0.01	<0.001
Male	−0.32	0.03	<0.001	−0.24	0.02	<0.001	−0.25	0.02	<0.001	−0.24	0.02	<0.001
White	0.10	0.04	0.011	0.16	0.04	<0.001	0.16	0.04	<0.001	0.16	0.04	<0.001
Black	−0.10	0.08	0.182	0.02	0.07	0.813	0.02	0.07	0.817	0.01	0.07	0.926
Asian	−0.09	0.04	0.023	0.02	0.04	0.576	0.02	0.04	0.586	0.02	0.03	0.638
Other	−0.05	0.04	0.214	0.01	0.04	0.847	0.01	0.04	0.866	−0.01	0.04	0.955
Hispanic/Latino(a)	Reference	--	--	Reference	--	--	Reference	--	--	Reference	--	--
Cigarette Peer Use				0.68	0.02	<0.001	0.68	0.02	<0.001	0.68	0.02	<0.001
Cigarette Own Use				0.05	0.08	0.524	0.05	0.08	0.517	0.05	0.08	0.518
Cigarette Offers				0.26	0.01	<0.001	0.26	0.01	<0.001	0.26	0.01	<0.001
Male × Time							−0.07	0.03	0.005
White × Time										−0.01	0.04	0.965
Black × Time										−0.09	0.07	0.242
Asian × Time										−0.02	0.04	0.484
Other × Time										−0.10	0.04	0.018