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. 2017 Aug 6;51(8):718-722.
doi: 10.3760/cma.j.issn.0253-9624.2017.08.011.

[A survey on high-risk behaviors and HIV infection among men having sex with men who use drugs in Tianjin in 2016]

[Article in Chinese]
D Shan  1 , D Wu, L Liu, H Liu, W Y Yin, M H Yu, J Yang, J P Sun, D P Zhang
Affiliations

[A survey on high-risk behaviors and HIV infection among men having sex with men who use drugs in Tianjin in 2016]

[Article in Chinese]
D Shan et al. Zhonghua Yu Fang Yi Xue Za Zhi. .

Abstract
in English, Chinese

Objective: To analyze the characteristics of high risk sexual behaviors and HIV infectious status among men who have sex with men (MSM) who use drugs in Tianjin in 2016. Methods: From April to December in 2016, MSM who use drugs in Tianjin were targetedly and extensively mobilized to receive testing by snowball sampling method. The inclusion criteria were as follows: men aged 18 years old and above; have had oral or anal sex with men in the last 6 months; have had drug abuse history in the last 6 months, including the use of rush poppers, 5-Methoxy-diisopropyltryptamine (5-MeO-DiPT), and Methamphetamine Synthesis substances; and with no mental disorder or mental deficiency. In this study, 302 MSMs were recruited to collect information of social demographic characteristics, drug abuse situation, sexual behavior after drug use, HIV test and the infectious status was collected through the online questionnaire, and the descriptive analysis was conducted. Results: From January to December 2016, a total of 302 subjects were recruited, among whom 194 (64.2%) aged 21-30 years old, 223 (73.8%) were unmarried and 28 (9.3%) were students. In the past 6 months, 297 (98.3%) used rush poppers, 31 (10.3%) used 5-MeO-DiPT, and 14(4.6%) used Methamphetamine Synthesis substances. The proportion of having sex after using the three types of drugs were 87.9% (n=261), 83.9% (n=26) and 92.9% (n=13), 85.5% (n=254), 87.1% (n=27) and 92.9% (n=13) of the subjects reported the sexual pleasure and sexual desire increased after using drugs, respectively. After using the three types of the drugs,58.6% (n=174), 83.9% (n=26) and 92.9% (n=13) of the subjects reported the duration of each sexual activity prolonged. In the past 3 months,48.3% (n=146) had stable sexual partners, 72.5% (n=219) had temporary sexual partners and 12.3% (n=37) had group sexual behaviors. 41 out of 302 subjects were HIV positive with the HIV positive rate at 13.6%. Conclusion: Most of the MSM who use drugs were young, and always had sex when they use drugs. There is a relatively high HIV prevalence in this population.

目的： 分析2016年天津市滥用药物的男男性行为人群（MSM）危险性行为情况及其HIV感染状况。 方法： 于2016年4—12月，采用滚雪球抽样方法有针对性对天津市滥用药物的MSM进行广泛动员参与调查和检测。纳入标准为：18岁及以上男性；最近6个月与男性发生过口交或肛交性行为；最近6个月内有过药物滥用史，包括使用rush poppers、零号胶囊、其他毒品；无精神疾病和智力缺陷。本研究共招募302名滥用药物MSM，通过在线网络调查问卷收集研究对象的社会人口学特征、滥用药物情况、用药后性行为情况、HIV检测和感染情况等，并对收集的数据结果进行描述性分析。 结果： 302名研究对象中，21~30岁者为194名（64.2%），未婚者223名（73.8%），在校学生为28名（9.3%）。最近6个月，使用过rush poppers者为297名（98.3%），使用零号胶囊者为31名（10.3%），使用其他毒品者为14名（4.6%）；每次使用上述3种药物后，均发生性行为者分别占87.9%（261名）、83.9%（26名）和92.9%（13名）；使用上述药物后性快感增强者分别占85.5%（254名）、87.1%（27名）和92.9%（13名）；使用上述3种药物后，每次性活动时间延长者分别占58.6%（174名），83.9%（26名）和92.9%（13名）。最近3个月，48.3%（146名）的研究对象有固定性伴，72.5%（219名）有临时性伴，12.3%（37名）发生过群交行为。302名研究对象的HIV感染率为13.6%（41例）。 结论： 滥用药物的MSM多为年轻人，且每次使用药物时均发生性行为；该人群HIV检出阳性率较高。.

Keywords: HIV; High-risky behaviors; MSM; Synthetic drug use.

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