Table 1.

Baseline descriptive statistics.

Variable	N (%)
Risky sexual behavior
Number of sexual partners (M (SD))	1.98 (1.41)
Condom use in the past 90 days
No sex in past 90 days	834 (49.6)
None of the time	203 (12.1)
About half the time	67 (4)
Most of the time	107 (6.4)
Always	375 (22.3)
Use of condoms during last sexual experience
Never had sex	769 (45.5)
No	306 (18.1)
Yes	563 (33.3)
I don’t know	52 (3.1)
Having sex while drunk or high
No	1502 (86.6)
Yes	194 (11.4)
Substance use
Alcohol use
Ever drunk alcohol
No	854 (49.4)
Yes	876 (50.6)
Alcohol in past 30 days
No	1233 (70.5)
Yes, just once	260 (14.9)
Yes, more than once	256 (14.6)
Alcohol in past 7 days
No	1363 (78.5)
Yes, just once	204 (11.7)
Yes, more than once	170 (9.8)
Cocaine use
Ever used crack or cocaine
No	1678 (96.0)
Yes	70 (4)
Used crack in past year
No	1680 (96.3)
Yes, just once	47 (2.7)
Yes, more than once	17 (1.0)
Marijuana use in past year
No	1345 (77.4)
Yes, just once	173 (10.0)
Yes, more than once	220 (12.7)
Drunk/Hi
Ever drunk on alcohol or high on drug
No	1343 (77.3)
Yes	395 (22.7)
Drunk/Hi in past 30 days
No	1452 (83.4)
Yes, just once	133 (7.6)
Yes, more than once	155 (8.9)
Drunk/Hi in past 7 days
No	1503 (86.6)
Yes, just once	100 (5.8)
Yes, more than once	133 (7.7)
Covariates
Age (M (SD))	14.81 (2.02)
Gender
Male	903 (51.0)
Female	867 (49.0)