Table 1.

Sample Means and Standard Deviations for the Full Sample and by Race/Ethnicity

	Full samplea		African Americanb		Hispanicc		Caucasiand
	M	SD	M	SD	M	SD	M	SD
Substance use (Wave 2)
Cigarette use	0.19	0.39	0.15	0.35	0.20	0.40	0.28	0.45
Alcohol use	0.23	0.42	0.19	0.39	0.24	0.43	0.29	0.45
Binge drinking	0.06	0.23	0.03	0.18	0.06	0.24	0.10	0.30
Marijuana use	0.11	0.31	0.12	0.32	0.10	0.29	0.13	0.34
Individual level
Age	11.94	2.42	11.96	2.37	11.91	2.43	12.02	2.47
Male	0.51	0.50	0.48	0.50	0.52	0.50	0.52	0.50
Household salary	4.73	2.51	4.36	2.48	4.25	1.98	6.93	2.82
African American	0.35	0.48	—	—	—	—	—	—
Hispanic	0.47	0.50	—	—	—	—	—	—
Caucasian	0.15	0.35	—	—	—	—	—	—
Other race/ethnicity	0.04	0.19	—	—	—	—	—	—
Peer substance use	−0.02	0.98	0.03	0.98	−0.04	1.00	−0.03	0.95
Parental problem drug use	0.16	0.37	0.21	0.41	0.12	0.33	0.19	0.39
Parental warmth	6.18	2.02	5.93	2.00	6.31	2.07	6.36	1.82
Prior (Wave 1) cigarette use	0.10	0.30	0.08	0.27	0.09	0.29	0.17	0.38
Prior (Wave 1) alcohol use	0.13	0.34	0.09	0.29	0.14	0.35	0.20	0.40
Prior (Wave 1) binge drinking	0.02	0.15	0.01	0.10	0.03	0.16	0.03	0.18
Prior (Wave 1) marijuana use	0.07	0.25	0.07	0.26	0.06	0.23	0.08	0.27
Neighborhood level
Disadvantage	−0.01	1.00	0.28	1.00	−0.16	0.84	−0.48	0.80

^aThe full sample included 1,856 individuals residing in 79 neighborhood clusters.

^bThe African American sample included 644 individuals residing in 54 neighborhood clusters.

^cThe Hispanic sample included 870 individuals residing in 65 neighborhood clusters.

^dThe Caucasian sample included 272 individuals residing in 46 neighborhood clusters.