Univariable and multivariable associations with unprotected sex among only sexually active recent visitors of the Amsterdam Cohort Studies (N = 107).

CI, confidence interval; CSW, commercial sex worker; OR, odds ratio.aSupervised: living in a hotel/pension, institutional care, lodging.bPartner type: per individual more than 1 partner type possible.cIncludes injecting and noninjecting drug use; per individual, more than 1 type of drug use possible.dHeroin and cocaine together.eIncludes benzodiazepines, amphetamines and barbiturates.