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目的了解干预后男男性接触者(MSM)人群的艾滋病相关知识、高危险行为和性病相关感染情况,评价干预效果。方法采用匿名问卷形式对MSM人群进行干预前及干预后6个月、12个月共3次横断面调查和血标本的采集检测H IV和梅毒。结果干预后艾滋病知识的知晓率有明显提高(P<0.05),最高提幅达19.83%。2个以上性伴数的人数比例从84.79%下降为65.95%,保持单一的性伴数比例从15.21%上升至34.05%。最近1次肛交和最近6个月肛交时安全套的使用率分别从72.17%和43.04%上升至75.10%和45.20%。最近1年作过H IV检测比例从28.26%升至44.69%。H IV的感染率为0.87%~2.43%,梅毒感染率为8.18%~11.28%。结论针对MSM人群的宣传、干预措施,取得一定的效果,可推广使用。
Objective To understand HIV / AIDS-related knowledge, high-risk behaviors and STD-related infections in MSM population after intervention and evaluate the intervention effect. Methods Anonymous questionnaires were used to detect H IV and syphilis in MSM population before and after 6 months, 12 months and 3 cross-sectional surveys and blood samples. Results The awareness rate of AIDS knowledge after intervention was significantly increased (P <0.05), the highest increase of 19.83%. The proportion of 2 or more sexual partners dropped from 84.79% to 65.95%, while the proportion of single sexual partners increased from 15.21% to 34.05%. The rate of condom use during the last anal intercourse and during the last 6 months increased from 72.17% and 43.04% to 75.10% and 45.20% respectively. The proportion of H IV tests conducted in the most recent year rose from 28.26% to 44.69%. H IV infection rate was 0.87% ~ 2.43%, syphilis infection rate was 8.18% ~ 11.28%. Conclusions The publicity and intervention measures for MSM population have achieved certain results and can be used widely.