Table 1.

Global and Event-Specific Measures of Substance Use and Risky Sexual Behavior

Behavior	%
Global measures
Lifetime use
Alcohol	77.5
Marijuana	74.0
Crack cocaine	15.9
Hallucinogens	30.9
Heroin	7.0
Needles	4.0
≥3 symptoms of alcohol or drug dependencea	27.5
Ever had sexual intercourseb	88.7
≥20 or more sexual partners	29.7
Ever had anal intercourse	33.0
Survival sexc	44.6
Gave	28.3
Received	25.3
Ever had sex with:
Onetime encounter	53.1
Partner with STD	30.1
Partner with IVDU	4.3
Partner with HIV	1.5
Male–maled	16.7
Not motivated to use a condome	45.1
Sometimes/never use condom	45.5
Event-specific measures
During most recent sexual encounterf
Drank alcohol	29.1
Used any drug	34.3
Used marijuanag	87.5
Used crackg	18.8
Partner was new/onetime	23.7
Did not plan sex	39.9
Did not talk about HIV risk	76.1
Did not use a condom	35.8

^aSymptoms of dependency are (a) spent a lot of time thinking about using or getting drugs or alcohol, (b) tried to cut down or stop using, (c) found that use interfered with activities, (d) had to use greater amounts to get same effect, and (e) used to keep from shaking or feeling sick.

^bSexual intercourse includes vaginal, oral, and anal sex.

^cGave and/or received sex in exchange for money/drugs/food or a place to stay.

^dPercentage is calculated for males only (n = 156).

^eSaid they had not changed their sexual behavior in response to knowledge about HIV, or did not choose using condoms in an open-ended question about ways sexual behavior has been changed (for those who said they did change).

^fA total of 289 respondents or 88.4% of the sample had had a sexual encounter and had nonmissing data on the event-specific items. Percentages are calculated for these respondents.

^gAmong those who reported drug use during their most recent encounter.