Risk Factors for Rectal Gonococcal Infection Amidst Resurgence in HIV Transmission

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Abstract
Background Rectal gonorrhea in men has been increasing in San Francisco since 1995. Goal The goal was to determine behavioral risk factors associated with rectal gonorrhea (RGC) among men who have sex with men (MSM) by HIV serostatus. Study Design All men reporting receptive anal sex in the last 6 months are screened for RGC, regardless of reported condom use, at San Francisco's municipal sexually transmitted disease (STD) clinic. We surveyed a convenience sample of men screened for RGC at the clinic. Results Among 564 MSM surveyed, 7.1% had RGC. HIV-positive MSM were significantly more likely (relative risk, 3.5, 95% confidence interval, 1.9–5.8) to have RGC. Behavioral risks for RGC infection varied significantly by HIV serostatus. HIV-positive MSM engaging in anonymous sex were at highest risk for RGC infection. Drug use during anal sex was the strongest risk factor for RGC infection among HIV-negative or unknown HIV status MSM. Conclusion Our data suggest that STD and HIV prevention efforts among MSM in San Francisco must consider the role that HIV serostatus plays in acquisition of new infections.

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