Nested Event-Level Case-Control Study of Drug Use and Sexual Outcomes in Multipartner Encounters Reported by Men Who Have Sex with Men
Nested Event-Level Case-Control Study of Drug Use and Sexual Outcomes in Multipartner Encounters Reported by Men Who Have Sex with Men
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DOI：
10.1007/s10461-015-1127-6
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发表时间：
2016-03-01
影响因子：
4.4
通讯作者：
Bonell, Chris
中科院分区：
文献类型：
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作者：
Melendez-Torres, G. J.;Hickson, Ford;Bonell, Chris
以前的事件级分析经常（但并不总是）发现，在男男性行为者（MSM）中，药物使用与性危险行为之间存在显著关联，但这些分析很少特别考虑多伴侣接触，或其他性结果，如愉悦和控制。使用基于互联网的MSM纵向调查数据，我们测试了被调查者和伴侣使用药物与无保护肛交（UAI）、性活动愉悦和控制性行为之间的关系。总体而言，被调查者的物质使用与UAI的几率增加显著相关，尽管与愉悦或控制无关。被调查者使用水晶甲基苯丙胺与UAI的几率增加和性活动控制的几率降低显著相关。这一分析与先前关于二元相遇的研究一致，并特别指出晶体甲基苯丙胺与性风险行为之间的联系可能是由失控介导的。
Previous event-level analyses have often, but not always, found significant associations between drug use and sexual risk behaviour in men who have sex with men (MSM), but these analyses have rarely considered either multipartner encounters specifically, or other sexual outcomes such as pleasure and control. Using data from an internet-based longitudinal survey of MSM, we tested the association between drug use by respondent and by partners and unprotected anal intercourse (UAI), pleasure and control over sexual activity. Overall respondent substance use was significantly associated with increased odds of UAI, though not with pleasure or control. Respondent use of crystal methamphetamine was significantly associated with both increased odds of UAI and decreased odds of control over sexual activity. This analysis agrees with previous studies of dyadic encounters, and specifically suggests that the association between crystal methamphetamine and sexual risk behaviour may be mediated by loss of control.