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目的比较男男性行为人群(MSM)中,同性与双性性取向的男性性工作者(MSW)的行为特征,探索两类亚人群在传播艾滋病病毒(HIV)过程中的不同作用。方法采用改良型“滚雪球”抽样法(定向抽样法)进行横断面调查。从MSM的有效问卷中获取同性性取向(gay)与双性性取向(Bi)的男性性工作者并进行比较,采用SPSS13.0软件进行统计分析。结果gay意识到喜欢同性(P<0.001)、确认自我性取向(P<0.05)、首次与同性发生商业性交(P<0.001)的年龄均早于Bi。Bi(曾)有女性性伴(P<0.001)、向女性提供(过)性服务(P<0.001)、曾主动与女性性交(P<0.001)、希望与女性生育后代(P<0.01)、近1年曾参与同性群交(不含与男性客人情况)(P<0.05)、近6个月曾与男性客人群交(P<0.05)、曾因性取向或同性恋活动受到异性恋者伤害(P<0.05)的百分率均高于gay。gay希望与固定同性伴侣一同生活(P<0.001)、希望参加国家的保护gay社团(P<0.001)、希望国家立法承认同性婚姻(P<0.001)、有过强烈自杀念头(P<0.05)、有过自杀未遂行为(P<0.05)的百分率均高于Bi。结论不同性取向的MSW行为特征与心理等情况存在差异,应根据其不同性取向采取有针对性的干预措施。
Objective To compare the behavioral characteristics of male sex workers (MSW) with same-sex and bisexual sexual orientation in men who have sex with men (MSM) and to explore the different roles of these two sub-populations in the transmission of HIV. Methods A modified “Snowball” sampling method (directional sampling method) was used for cross-sectional investigation. Male sex workers who obtained homosexuality gay and bisexuality (Bi) from valid questionnaires of MSM were compared and compared, and SPSS13.0 software was used for statistical analysis. As a result, gay was more aware of homosexuality (p <0.001), confirming self-orientation (p <0.05) and first-time commercial sexual partners of the same sex (p <0.001) were older than Bi. Bi used to have sex with women (P <0.001), offered sexual services to women (P <0.001), had sexual intercourse with women (P <0.001), and hoped to have sexual relations with female offspring (P <0.01) (P <0.05) in the past 1 year (P <0.05), had a group with male guests in the past 6 months (P <0.05), had heterosexual injuries due to sexual orientation or homosexuality (P <0.05) were higher than gay. gay wanted to live with fixed same-sex couples (P <0.001), hoping to participate in the protection of gay communities in the country (P <0.001), hoping that national legislation would recognize same-sex marriage (P <0.001) Percentage of attempted suicide attempts (P <0.05) were higher than Bi. Conclusion There are differences in MSW behavioral characteristics and psychology among different sexual orientation. According to their different sexual orientation, targeted interventions should be taken.