New York City Department of Health and Mental Hygiene, New York, NY 10013, USA.
AIDS Behav. 2010 Dec;14(6):1353-61. doi: 10.1007/s10461-010-9769-x.
Previous studies linking online sexual partnerships to behavioral risks among men who have sex with men (MSM) may be subject to confounding and imprecise measurement of partnership-specific risks. We examined behavioral risks associated with having only online, only offline, or both online and offline partners in the past year, the confounding effects of multiple partnerships, and partnership-specific risks among a sample of MSM from New York City recruited offline in 2008. Overall, 28% of 479 participants had an online partner in the past year, but most of those (82%) also had an offline partner. Having an online partner was associated with past-year unprotected anal intercourse (UAI) and other risks, but not after controlling for multiple partnerships. There were slightly higher levels of risk within offline partnerships, but differences were largely attributable to MSM who had both offline and online partners. Last sex partners met offline were more likely to be HIV-serodiscordant and engage in concurrent substance use with the participant. This suggests that online partnerships may not be an independent cause of behavioral risks, but a marker for risks occurring independent of Internet use.
先前的研究将男性性行为者（MSM）的在线性伴侣与行为风险联系起来，可能受到混杂因素的影响，并且对特定伴侣的风险的测量不够精确。我们研究了过去一年中仅拥有在线、仅拥有离线或同时拥有在线和离线伴侣的行为风险，以及在 2008 年线下招募的纽约市 MSM 样本中多重伴侣关系的混杂效应和特定伴侣关系的风险。总体而言，479 名参与者中有 28%在过去一年中有在线伴侣，但其中大多数（82%）也有离线伴侣。拥有在线伴侣与过去一年的无保护肛交（UAI）和其他风险有关，但在控制多重伴侣关系后则没有关系。离线关系中的风险略高，但差异主要归因于同时拥有离线和在线伴侣的 MSM。最近线下性伴侣的 HIV 血清不一致，且与参与者同时使用物质的可能性更大。这表明在线伴侣关系可能不是行为风险的独立原因，而是与互联网使用无关的风险的一个标志。
