Table 5.

Tests of program group differences on pretest measures of main drug use variables

DV	Effect
	Any program vs Control		Rural vs Classic
	F	p	F	p
Alcohol
Lifetime alcohol use	1.03	.32	0.40	.53
Alcohol use past 30 days	0.09	.76	0.04	.84
Cigarette smoking
Lifetime cigarette smoking	+2.15	.15	1.14	.29
Cigarette smoking past 30 days	+2.17	.15	0.25	.62
Marijuana
Lifetime marijuana use	+1.43	.24	0.18	.67
Marijuana use past 30 days	0.26	.62	0.20	.66
Chewing tobacco
Lifetime chewing tobacco use	0.33	.57	1.26	.27
Chewing tobacco use past 30 days	0.07	.79	1.10	.30

Note: For all results shown, numerator df=1; denominator df=36. Signs shown for F values refer to the sign of the effect. + means that the program groups had higher means than did the control group for that effect. Signs are shown only when p<.25