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目的对济南市男男性行为人群(MSM)的行为特征和高危行为进行分析,为制定防治政策提供依据。方法2008年4-6月,使用同伴推动抽样法,在济南市开展MSM人群的流行病学调查,使用RDSATT软件进行统计分析。结果调查500名MSM,平均年龄29.6岁,高中及以下学历占52.6%,未婚者、流动人口居多。涉及多种职业,其中农民工占13.8%。发生首次性行为平均年龄20.8岁,第一个性伴多为男性。性交方式主要为口交和肛交。近6个月平均性伴数4.5个,近一半为约会情人或一夜情。有12.4%的人有过商业性行为,且80.8%的人在商业性行为时从不使用安全套。有34.7%的人近6个月与异性发生过性行为。结论济南市MSM人群危险性行为普遍存在,农民工中的MSM值得关注。通过异性性传播的危险犹存,应继续在该人群中开展健康教育与行为干预。
Objective To analyze the behavioral characteristics and high-risk behaviors of MSM in Ji’nan city, and provide the basis for the development of prevention and control policies. Methods From April to June 2008, we used peer-driven sampling method to carry out epidemiological investigation of MSM population in Jinan City and conducted statistical analysis using RDSATT software. Results A total of 500 MSMs were surveyed, with an average age of 29.6 years and 52.6% of them had high school education or below. The number of unmarried persons and floating population was the highest. Involving a variety of occupations, including migrant workers accounted for 13.8%. The average age of first sex occurred 20.8 years old, the first sexual partners mostly male. Sexual intercourse mainly for oral sex and anal sex. Nearly 6 months, the average number of sexual partners 4.5, nearly half of dating lovers or one-night stands. 12.4% of people have had commercial sex and 80.8% never use condoms when doing business. 34.7% of them have had sexual intercourse with the opposite sex for nearly 6 months. Conclusion The risk behaviors of MSM in Jinan are prevalent, and the MSM of migrant workers deserves attention. The danger of transmission through heterosexuality persists, and health education and behavioral interventions should continue in this population.