Table 4.

Prevalence of Substance Use (N = 214)

	Mean (SD, n)
	Overall	Male	Female
Number of past 90 days tobacco used	76.85 (30.92, N = 84)	80.24 (27.07, N = 42)	73.45 (34.33, N = 42)
Number of past 90 days alcohol was used*	26.77 (22.28, N = 202)	29.76 (24.27, N = 90)	24.43 (20.45, N = 112)
Number of past 90 days illegal substances were used**	46.60 (34.81, N = 125)	52.60 (36.53, N = 55)	40.37 (33.01, N = 70)
Number of past 90 days drunk	7.51 (12.55, N = 108)	8.77 (15.09, N = 52)	6.36 (9.625, N = 56)
Alcohol use before sex (0-4)	1.71 (1.11, N = 213)	1.828, (1.16, N = 93)	1.61 (1.07, N = 120)
Alcohol use during sex (0-4)	1.15 (1.08, N = 213)	1.18 (1.180, N = 93)	1.12 (1.01, N = 120)
Alcohol use after sex (0-4)	1.63 (1.24, N = 213)	1.77 (1.23, N=93)	1.52 (1.21, N = 120)

	% Yes (n)
	Overall	Male	Female
Substance use w/I 24 hrs	62% (N = 132)	65% (N = 60)	59% (N = 71)
Injected drug use	2% (N = 5)	3% (N = 3)	2% (N = 2)
% alcohol makes sex more pleasant	77% (N = 160)	77% (N = 71)	77% (N = 81)
% alcohol makes sex less pleasant	5% (N = 11)	3% (N = 3)	7% (N = 8)
% who are more selective in sex partners after alcohol	7% (N = 8)	6% (N = 3)	1% (N = 5)
% who are less selective in sex partners after alcohol	93% (N =102)	94% (N = 48)	92% (N = 54)
% less likely to use a condom after consuming alcohol	82% (N = 75)	83% (N = 30)	82% (N = 45)

^*t=1.66, p = .10

^**t=1.96, p = .05