Table 1.

Means and Standard Deviations for Substance Use

	GC			MTFC
Variable	M	SD	N	M	SD	N
Tobacco
Baseline	3.98	1.60	42	3.86	1.71	36
12 months	3.79	1.69	39	3.30	1.81	37
18 months	3.87	1.66	38	2.72	1.89	32
Marijuana
Baseline	2.64	1.45	42	2.46	1.33	37
12 months	1.90	1.27	39	1.57	1.07	37
18 months	2.34	1.48	38	1.50	1.02	32
Alcohol
Baseline	2.74	1.19	42	2.41	1.21	37
12 months	1.95	1.12	39	1.57	0.99	37
18 months	2.05	1.16	38	1.69	1.03	32
Other Drugs
Baseline	1.88	1.02	40	1.78	1.02	36
12 months	1.59	1.12	39	1.24	0.55	37
18 months	1.61	1.13	38	1.19	0.54	32

Note. MTFC = Multidimensional Treatment Foster Care. GC = group care.