Five percent of the sample were HIV positive, Anal sex is common among women in drug-using populations in Chicago. These methods control for clustering of responses within subject, and for unequal numbers of observations across subjects. The junkie-in-withdrawal is the distillation of all the worst stereotypes of heroin users. One hundred ninety-four women provided information about their last anal sex partners, representing male partners. Regression models that ignore the dependency of observations tend to underestimate the standard errors of between-subject covariates e. The estimates presented in Table 4 are adjusted for clustering by recruiter as well as by subject.
In multivariate analyses incorporating both subject-level and partner-level variables, anal sex was significantly associated with subject bisexual behavior, number of nights slept together, partner injection drug use, partner non-heterosexual sexual orientation, partner age, and giving partner money or drugs in exchange for sex.
Heroin and Anal sex just don't mix
Exploring an HIV paradox: Population Research and Policy Review. Men and women 15—44 years of age, United States, AIDS and heterosexual anal intercourse. The HIV epidemic in the U.