Table 1

Characteristics of included encounters

Variable% (n)
Unprotected anal intercourse21.2 (618)
Any drug use51.5 (1498)
 Poppers22.1 (635)
 Alcohol30.1 (874)
 Erectile dysfunction medications10.7 (310)
 Cannabis3.8 (111)
 Chemsex drugs (crystal meth, mephedrone, GHB, ketamine)4.2 (121)
 Uppers (ecstasy, amphetamine, cocaine, crack)3.9 (113)
Location of sex
 Home82.3 (2395)
 Sex-on-premises venue12.9 (375)
 Cruising4.8 (139)
Drug use and location of sex
 No drug use and home38.2 (1107)
 Any drug use and home44.2 (1281)
 No drug use and sex-on-premises venue6.9 (199)
 Any drug use and sex-on-premises venue6.0 (175)
 No drug use and cruising location3.4 (100)
 Any drug use and cruising location1.3 (38)