昆明市15岁以上男性发生男男性行为的比例及相关因素分析

肖民扬; 张祖样; 王晓雯; 王玉淼; 蔡永年; 付丽茹; 宋丽军; 罗红兵

Abstract

肖民扬,张祖样,王晓雯,王玉淼,蔡永年,付丽茹,宋丽军,罗红兵.昆明市15岁以上男性发生男男性行为的比例及相关因素分析[J].Chinese journal of Epidemiology,2021,42(8):1482-1486

昆明市15岁以上男性发生男男性行为的比例及相关因素分析

Analysis on the proportion of men who have sex with men and related factors among male over 15 years old in Kunming

Received:February 26, 2021

DOI：10.3760/cma.j.cn112338-20210226-00150

KeyWord: 男男性行为者性行为相关因素街头拦截调查

English Key Word: Men who have sex with men Sexual behavior Related factor Street intercept survey

FundProject:国家科技重大专项（2018ZX10715-006）

Author Name	Affiliation	E-mail
Xiao Minyang	Center for AIDS/STD Control and Prevention, Yunnan Center for Disease Control and Prevention, Kunming 650022, China
Zhang Zuyang	Yunnan Provincial Institute for HIV/AIDS, Kunming 650022, China
Wang Xiaowen	Yunnan Provincial Institute for HIV/AIDS, Kunming 650022, China
Wang Yumiao	Center for AIDS/STD Control and Prevention, Yunnan Center for Disease Control and Prevention, Kunming 650022, China
Cai Yongnian	Center for AIDS/STD Control and Prevention, Yunnan Center for Disease Control and Prevention, Kunming 650022, China
Fu Liru	Center for AIDS/STD Control and Prevention, Yunnan Center for Disease Control and Prevention, Kunming 650022, China
Song Lijun	Center for AIDS/STD Control and Prevention, Yunnan Center for Disease Control and Prevention, Kunming 650022, China
Luo Hongbing	Center for AIDS/STD Control and Prevention, Yunnan Center for Disease Control and Prevention, Kunming 650022, China	540122323@qq.com

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Abstract:

目的调查昆明市>15岁男性发生男男性行为的比例及其相关因素，为MSM规模估计提供参考依据。方法采用横断面调查设计、多阶段抽样方法和街头拦截调查方法，2019年10-12月对昆明市>15岁男性进行调查，估计样本量为9 908人。结果在昆明市5个县区的30个招募点，共招募了>15岁男性10 707人，调查10 283人，应答率96.0%。调查对象16~40岁占75.3%（7 748人），高中及以上文化程度占71.1%（7 312人），未婚占49.8%（5 121人）。调查对象与年龄标准化后的最近半年发生男男性行为的比例分别为1.06%（95%CI：0.86%~1.26%）与0.97%（95%CI：0.78%~1.16%），多因素logistic回归分析结果显示，其相关因素包括调查区域在主城区是远郊县（区）的2.217倍（95%CI：1.004~4.895）、其他城市户籍地是昆明市户籍的0.421倍（95%CI：0.260~0.682）、在昆明市居住时间≤ 6个月是>6个月的2.282倍（95%CI：1.262~4.126）、高中及以上文化程度是初中及以下的0.336倍（95%CI：0.228~0.495）、已婚者是未婚者的0.462倍（95%CI：0.303~0.705）。结论昆明市>15岁男性最近半年发生男男性行为比例接近1.00%，主要相关因素包括来自昆明市主城区、昆明市户籍、昆明市居住时间较短、初中及以下文化程度者和未婚者。本研究结果为云南省开展MSM规模估计提供了参考依据。

English Abstract:

Objectives To investigate the proportion of MSM among males over 15 years old and analyze its related factors to provide a reference for estimation of MSM size. Methods Using cross-sectional survey design, multi-stage sampling method, and street interception survey method, a survey was conducted on males over 15 years old in Kunming from October to December 2019, with an estimated sample size of 9 908. Results Totally, 10 707 males were recruited from 30 sites in 5 counties, and 10 283 were effectively surveyed with a response rate of 96.0%. Respondents aged 16 to 40 accounted for 75.3% (7 748), senior high school or above 71.1% (7 312), and unmarried 49.8% (5 121). The proportion of homosexual behavior in the past half-year was 1.06% (95%CI:0.86%-1.26%), and the age-adjusted rate was 0.97% (95%CI:0.78%-1.16%). And multivariate logistic regression showed the associated factors for homosexual behavior as following:proportion of main urban area was 2.217 times (95%CI:1.004-4.895) that of the outer suburbs, registered residence outside Kunming was 0.421 times (95%CI:0.260-0.682) that of in Kunming, having been in Kunming ≤ 6 months was 2.282 times (95%CI:1.262-4.126) that of >6 months, senior middle school or above was 0.336 times (95%CI:0.228-0.495) that of junior middle school and below, and being married was 0.462 times (95%CI:0.303-0.705) that of unmarried. Conclusions The proportion of over 15-year-old males who have recently practiced male-male behavior was close to 1.00% in Kunming. The relevant factors included survey areas with a permanent residency of Kumming, short-time residency, education level, and marital status. This study obtained the data and related factors, which provided a reference for estimating MSM size in Yunnan province.

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