马鞍山市娱乐场所服务小姐性病和艾滋病高危行为干预效果分析

Effective analysis of STD/AIDS high-risk behaviour intervention among commercial sex workers in Maanshan

目的了解马鞍山市娱乐场所服务小姐预防性病、艾滋病行为干预效果。方法采用两阶段整群抽样法确定抽样调查场所和调查人数,并采集血标本检测HIV、梅毒。行为干预时间为2006年10月～2007年6月,干预方法主要包括在娱乐场所组织观看VCD、开展VCT倡导、发放宣传折页和安全套、开展有奖知识竞赛以及同伴教育活动。结果干预前目标人群艾滋病基本知识知晓率为72.86%,干预后知晓率为77.95%,干预前后差异有统计学意义(χ2=23.12,P<0.05);最近一次与嫖客性交使用安全套的比例由干预前46.40%上升到干预后63.44%(χ2=24.26,P<0.05);最近一个月与嫖客性交使用安全套的比例由干预前24.07%上升到干预后43.16%(χ2=33.63,P<0.05),无论是最近一次还是最近一个月安全套使用比例均有显著提高。干预前后该目标人群均未检出HIV阳性者,干预前目标人群梅毒阳性率3.23%,干预后阳性率0.95%,干预前后差异有统计学意义(χ2=5.35,P<0.05)。结论马鞍山市娱乐场所服务小姐性病、艾滋病高危行为干预具有一定效果。

Objective To evaluate the effect of those measures to change commercial sex workers （CSW） STD/AIDS high-risk behaviors. Methods A two stage cluster sampling method was adopted to determine the number of entertainment places and CSW. The blood samples testing HIV and syphilis were collected. The time of high-risk behavior intervention was from the October of 2006 to the June of 2007. The methods of intervention included watching VCD, STD/HIV testing, sending publicities and condoms, holding knowledge competitions about STD/AIDS and peer education activities. Results The rate of target groups, basic knowledge about STD/AIDS rose from 72.86% before intervention to 77.95 % after intervention which is significant difference （X2 = 23.12, P 〈 0.05）. In the most recent sexual intercourse with their clients, the rates of condom use rose from 46.40% before intervention to 63.44 % after intervention, in the last month sexual intercourse with their clients, the rates of condom use rose from 24.07% before intervention to 43.16% after intervention. No matter the most recent sexual intercourse and the last month with their clients, the rates of condom use were significantly enhanced. The HIV positive was not found in CSW. The rates of syphilis infection drop from 3.23 % before intervention to 0.95 % after intervention, compared with notable differences （X2 = 5.35, P 〈 0.05）. Conclusions STD/AIDS behaviour intervention among entertainment service population in Maanshan City are successful.