Department of Dermatology, Faculty of Medicine Siriraj Hospital, 65106Mahidol University, Bangkok, Thailand.
Int J STD AIDS. 2022 Oct;33(11):963-969. doi: 10.1177/09564624221114188. Epub 2022 Aug 25.
Men who have sex with men (MSM) are a key HIV target population in Thailand. An important subgroup is men who have sex with men and women (MSMW) as they can sexually transmit infections between individuals with different gender identities. This study compared the sexually transmitted infection risk behavior of different types of men in Thailand.
We retrospectively reviewed the medical records of 839 consecutive male patients who visited an STI clinic in Bangkok, Thailand, between 2014 and 2020.
Men who have sex with women only (MSWO) predominated (58.0%), followed by men who have sex with men only (MSMO, 32.2%) and MSMW (9.8%). MSMW and MSMO shared similar sexual risk behaviors, such as significantly higher median numbers of sex partners (10 and 8, respectively) than MSWO (5; Kruskal-Wallis, < 0.001). MSMW had the highest prevalence of concurrent sexual partnerships (91.4%), significantly different from MSWO (61.2%) and MSMO (76.7%; chi-squared, < 0.001). HIV and syphilis prevalence was significantly higher for MSMO (48.9% and 51.1%) and MSMW (42.7% and 48.8%) than MSWO (12.3% and 20.9%; chi-squared, < 0.001).
MSMW exhibited similar sexual risk behavior and high HIV/STI prevalence comparable to MSMO.
男男性行为者（MSM）是泰国艾滋病病毒的一个重要目标人群。一个重要的亚组是男男性行为者和女性（MSMW），因为他们可以在不同性别认同的个体之间传播性感染。本研究比较了泰国不同类型男性的性传播感染风险行为。
我们回顾性地审查了 2014 年至 2020 年间在泰国曼谷一家性传播感染诊所就诊的 839 名连续男性患者的病历。
仅与女性发生性行为的男性（MSWO）占多数（58.0%），其次是仅与男性发生性行为的男性（MSMO，32.2%）和 MSMW（9.8%）。MSMW 和 MSMO 具有相似的性风险行为，例如他们的性伴侣中位数明显高于 MSWO（10 和 8，分别）（Kruskal-Wallis，<0.001）。MSMW 同时发生性关系的比例最高（91.4%），与 MSWO（61.2%）和 MSMO（76.7%）显著不同（卡方检验，<0.001）。MSMO（48.9%和 51.1%）和 MSMW（42.7%和 48.8%）的 HIV 和梅毒患病率明显高于 MSWO（12.3%和 20.9%）（卡方检验，<0.001）。
MSMW 表现出与 MSMO 相似的性风险行为和高 HIV/性传播感染患病率。
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