At last sexual intercourse

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This study examined, for the first time, the association between intoxication at last sexual intercourse and unprotected sex separately among HIV-positive and HIV-negative individuals. Data were derived from a nationally-representative survey of Uganda in 2011. Multivariable logistic regression analyses of the intoxication-unprotected sex association included adjustment for sociodemographic and behavioral covariates that were also examined as moderators of the association. Among HIV-positive individuals, intoxication was associated with unprotected sex, whereas among HIV-negative individuals, the intoxication-unprotected sex association was moderated by knowledge that condoms prevent HIV transmission. The odds of unprotected sex was 2.67 times greater among HIV-negative individuals who were unaware that condoms prevent HIV, an association not observed among those who possessed such knowledge.