Risk Factors for HIV-1 seroconversion among Taiwanese men visiting gay saunas who have sex with menReport as inadecuate




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BMC Infectious Diseases

, 11:334

HIV and co-infections

Abstract

BackgroundMen having sex with men MSM accounts for 33.6% of all reported cases of HIV-1 infection in Taiwan. The aim of this study was to investigate the epidemiology of HIV-1 infection among MSM in gay saunas in Taiwan.

MethodsPatrons of 5 gay saunas were recruited for a weekly volunteer counseling and testing program from 2001 to 2005. Questionnaires were collected for a risk factor analysis. HIV-1 subtypes were determined using DNA sequencing and phylogenetic analyses.

ResultsHIV-1 prevalence rates among MSM in gay saunas in 2001 through 2005 were 3.4%, 5.1%, 8.9%, 8.5%, and 8.3%, respectively. In total, 81 of 1, 093 7.4% MSM had HIV-1 infection. Fifty-two HIV-1 strains were genotyped, and all of them were subtype B. HIV-seropositive men were significantly younger than the seronegatives. Only 37.1% used condoms every time during sexual intercourse. A multivariate logistic regression analysis showed that the risk factors for HIV-1 were being uncircumcised odds ratio OR = 2.19; 95% confidence interval CI, 1.08~4.45; having sexual intercourse with at least 2 partners during each sauna visit ≥ 2 vs. ≤ 1, OR = 1.71; 95% CI, 1.02~2.89; and the role played during anal intercourse versatile vs. an exclusively insertive role, OR = 2.76; 95% CI, 1.42~5.36.

ConclusionsOverall, 7.4% Taiwanese MSM participating in this study had HIV-1 subtype B infection. Uncircumcised, being versatile role during anal intercourse, and having sex with more than one person during each sauna visit were main risk factors for HIV-1 infection.

Electronic supplementary materialThe online version of this article doi:10.1186-1471-2334-11-334 contains supplementary material, which is available to authorized users.

Yen-Ju Chen, Yu-Ting Lin contributed equally to this work.

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Author: Yen-Ju Chen - Yu-Ting Lin - Marcelo Chen - Szu-Wei Huang - Su-Fen Lai - Wing-Wai Wong - Hung-Chin Tsai - Yu-Huei Lin - Hsi

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