Characteristics and trend of older men who have sex with men from 2010 to 2014 in Jiangsu province

目的:了解江苏省老年男男性行为(MSM)人群特征及变化趋势,为制定更有效的干预措施提供科学依据。方法:采用横断面调查对2010—2014年老年MSM进行监测,分析高危行为,HIV、梅毒感染状况的变化趋势。结果:共监测2010—2014年老年MSM 1 185例,浴池/桑拿/足疗/按摩等传统MSM活动场所所占比重从70.7%下降到29.3%,艾滋病相关知识知晓率、近6个月同性肛交发生率、同性肛交安全套坚持使用率分别从77.1%、55.4%、20.7%上升到91.2%、72.6%、38.5%,现症梅毒阳性率从21.7%下降到11.8%;性病、HIV阳性率未见明显下降趋势。结论:江苏老年MSM人群性活跃度高,安全套坚持使用率低,HIV阳性率维持高位。对这类人群应加强安全套推广,开展新的综合干预方式。Objective: To understand the characteristics and trend on HIV related high risk behaviors,HIV and syphilis prevalence among old men who have sex with men( MSM) in Jiangsu province from 2010 to 2014,so as to provide information for the development of intervention strategies for old MSM. Methods: Using cross sectional study,we sampled 1 185 old MSM between 2010 and 2014. We analyzed the trend on HIV related risk behaviors,HIV and syphilis prevalence. Results: The proportion of traditional sample sites,such as bath / sauna / massage room,decreased from 70. 7% to 29. 3%. The rate of knowledge,attitude,practice( KAP) related to HIV,anal sex in latest six months,and habitual condom use between old MSM increased from 77. 1%,55. 4%,20. 7% to91. 2%,72. 6%,38. 5% separately. The prevalence of syphilis decreased from 21. 7% to 11. 8%. There was no significant difference on the trend of HIV and sexually transmitted diseases. Conclusions: The rates of sexually activity and HIV prevalence were pretty high,but the rate of habitual condom use was low in old MSM. Based on the results,condom use should be strengthened and new intervention measures should be developed

Analysis on epidemiological charateristics of chlamydia trachomatis infection in Jiangsu Province,2006-2011

目的了解江苏省2006-2011年生殖道沙眼衣原体感染的流行病学特征,为制定防治生殖道沙眼衣原体感染的策略提供科学依据。方法收集2006-2011年江苏省通过中国疾病预防控制信息系统报告的生殖道沙眼衣原体感染病例资料,并对资料进行流行病学分析。结果 2006-2011年,江苏省生殖道沙眼衣原体感染发病率呈快速上升的趋势,2006年为0.12/10万,2011年为3.15/10万,发病率年均增长速度为92.23%;在报告的5 859例病例中,男女性别比为0.3∶1,各年生殖道沙眼衣原体感染男女性别差异有统计学意义;发病年龄主要集中在20~29岁年龄组,占50.96%;江苏省生殖道沙眼衣原体感染报告病例主要集中在苏南和苏中的较发达城市;主要以家庭及待业者和工人为主。结论江苏省生殖道沙眼衣原体感染发病率快速增长,应加强对生殖道沙眼衣原体的防治,以控制其感染的快速流行。江苏省医学重点人才(RC2011086);江苏省医学重点人才(RC2011087); 江苏省科技项目(Y201029