Objectives: To determine whether alcohol use prior to sexual behavior
influenced the occurrence of unprotected anal intercourse among bar-go
ing gay men. Methods: Anonymous AIDS behavioral risk surveys were admi
nistered to men entering gay bars in 16 cities on three nights in Febr
uary 1993 in six states in the United States. Results: Of the 1519 men
who completed the survey, 85% were current alcohol drinkers. Men who
had unprotected anal intercourse after consuming alcohol drank more an
d reported more incidents of unprotected anal intercourse than men who
had unprotected anal intercourse but not after drinking. Overall, unp
rotected anal intercourse occurred less frequently after alcohol consu
mption than without prior consumption. Conclusions: This study found t
hat heavy alcohol use and frequent high-risk sexual behavior occurred
among the same individuals. However, we found no evidence for a causal
link between alcohol use and unprotected sexual behavior in this samp
le of bar-going gay men.