2008-2011年凭祥市长途卡车司机艾滋病感染率及相关行为变化趋势研究

目的了解2008-2011年凭祥市长途卡车司机艾滋病知识、行为特征及其人类免疫缺陷病毒(HIV)、梅毒的感染率变化趋势,为艾滋病综合防治和科学干预提供信息和依据。方法根据《国家级HIV综合监测点监测方案》,2008—2011年每年4～5月在凭祥市浦寨边境贸易城的停车场采用"滚雪球、同伴推动"等方法,对长途卡车司机进行面对面的问卷调查,并采集血样5mL进行HIV、梅毒抗体检测。结果 2008—2011年,连续4年共调查1 600名长途卡车司机。检出HIV抗体阳性2例,阳性率为0.13%。梅毒阳性28例,感染率为1.75%,梅毒感染率各年差异无统计学意义(χ2=6.11,P=0.109);其答对6条以上艾滋病知识知晓率有逐年上升的趋势,差异有统计学意义(P<0.01);最近1年发生商业性行为的比例,差异有统计学意义(P<0.01);最近1年商业性行为每次坚持使用安全套的比例,差异无统计学意义(P>0.05)。结论 HIV感染率总体水平低,但高危行为状况不容乐观,需要不断开展综合干预,降低无保护商业性行为的发生,从而达到控制艾滋病流行的目。

The trend of HIV infection rate and related behavior among long-distance truck drivers in Pingxiang during 2008 to 2011

Objective To understand the awareness of HIV,related behavior and infection rates of HIV and syphilis among long-distance truck drivers in Pingxiang during 2008 to 2011.Methods According to Comprehensive National HIV Surveillance Program,snowball sampling and peer introduction sampling were used to recruit long-distance truck drivers from parking lots in Puzhai Border Trade Zone during April to May every year.Face-to-face questionnaire-based survey was conducted;5 mL blood sample from every subject were used to test the HIV and syphilis.Results One thousand and six hurndred long-distance truck drivers were surveyed from 2008 to 2011.Two of them were HIV-positive(HIV infection rate was 0.13%),and 28 of them were syphilis-positive(syphilis infection rate was 1.75%).There no significant difference among the prevalence of syphilis in different year(χ2=6.11,P=0.109).The rates of answered correctly more than 5 items increased year by year(P<0.01),but the proportions of insist using condom in commercial sex last year were not different significantly(P>0.05).Conclusion HIV prevalence was low,but the rate of high risk sex behavior was high.The comprehensive intervention should been conducted for reducing the unprotected sex in control and prevention of HIV/AIDS.