墨西哥MSM中的性认同和无避孕套性行为:异性认同的MSM被忽视的作用
Fernando Macías-González1,2, Santiago Aguilera-Mijares3, Alicia Piñeirúa-Menendez2
1Centre for Research on Population Health, National Institute of Public Health.
Journal of sex research
|January 6, 2026
概括
在墨西哥,与男性发生性关系的异性认同男性 (H-MSM) 参与高比例的无避孕套性行为,这是预防艾滋病毒的关键因素. 目前的艾滋病毒计划可能会忽略这个风险群体,因为它们忽视了性认同和行为.
科学领域:
- 公共卫生 公共卫生
- 流行病学 流行病学
- 性健康 性的健康
背景情况:
- 墨西哥的艾滋病毒预防往往未能解决与男性发生性关系的异性认同的男性 (H-MSM),这是一个风险较高的人群.
- 了解性认同和行为的细微差别对于有效的艾滋病毒干预策略至关重要.
研究的目的:
- 检查墨西哥与男性发生性关系 (MSM) 的cisgender男性中无避孕套性行为的流行情况和相关因素.
- 根据性身份 (异性恋与同性恋,双性恋,其他非异性恋) 和性行为 (仅男性伴侣与男性和女性伴侣) 来区分各种子组之间的风险.
主要方法:
- 利用了2021-2022年墨西哥国家性与性别多样性调查 (ENDISEG) 的数据.
- 根据性认同和性行为将 cisgender 男人分为以下几组:H-MSM,H-MSMW,GB+MSM 和 GB+MSMW.
- 采用探针回归分析来确定没有避孕套的性行为的概率.
主要成果:
- 在有男性伴侣的 cisgender 男人中,41% 的人认为自己是异性恋者 (H-MSM).
- 总的来说,63.8%的MSM报告了没有避孕套的性行为,而H-MSM的比例最高 (74.4%).
- 与H-MSMW相比,H-MSMW,GB+MSM和GB+MSMW显示,与H-MSM相比,没有避孕套的性行为的概率明显较低. 老年,低学历和抑郁症是额外的危险因素.
结论:
- 墨西哥的艾滋病毒预防策略必须超越对MSM的单一观点,并将性认同与行为结合起来.
- 与男性发生性关系的异性认同男性 (H-MSM) 代表了一大批高危子组,可能会被当前的艾滋病毒计划遗漏.
- 对身份敏感和适应环境的预防方法对于减少墨西哥多样化的MSM人口中艾滋病毒传播至关重要.
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