年龄和年龄不和谐与男男性行为者无保护性行为的关联。
Age and Age Discordance Associations with Condomless Sex Among Men Who Have Sex with Men.
机构信息
Psychiatry and Human Behavior, Charles R. Drew University of Medicine and Science, 1731 E. 120th St., Building N, Los Angeles, CA, 90059, USA.
Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.
出版信息
AIDS Behav. 2018 Feb;22(2):649-657. doi: 10.1007/s10461-017-1694-9.
We explored the effect of older partner's age and age difference between partners on condomless sex among men who have sex with men (MSM). We analyzed dyads (n = 1720) from participants (n = 969) in the Sexual Acquisition Transmission of HIV Cooperative Agreement Program. We used modified Poisson regression to model the probability of a sexual encounter's being condomless as a function of older partner's age and age difference between partners adjusting for HIV status, substance use, race/ethnicity, and partner type. We found an interaction between older partner's age and age difference (p < 0.05). Condomless sex decreased with increasing age of the older partner when the age difference was 5-9 years (p = 0.004) or ≥10 years (p = 0.04), but not when <5 years. Condomless sex was less likely among older MSM when there was ≥5 years age difference between partners than <5 years difference. Both age and age discordance affect the likelihood of a sexual encounter between MSM being condomless.
我们探讨了男男性行为者（MSM）中年长伴侣的年龄和伴侣间年龄差异对无保护性行为的影响。我们分析了性传播感染艾滋病合作协议计划参与者（n=969）中的对偶关系（n=1720）。我们使用修正泊松回归模型，将年长伴侣的年龄和伴侣间年龄差异作为调整 HIV 状况、物质使用、种族/民族和伴侣类型后，性行为中无保护措施的概率的函数。我们发现年长伴侣的年龄和年龄差异之间存在交互作用（p<0.05）。当年龄差异为 5-9 岁（p=0.004）或≥10 岁（p=0.04）时，年长伴侣年龄的增加与无保护性行为的减少相关，但当年龄差异<5 岁时则不然。当伴侣间的年龄差异≥5 岁时，年长的 MSM 发生无保护性行为的可能性较小，而年龄差异<5 岁时则不然。年龄和年龄差异都影响 MSM 之间无保护性行为的可能性。
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