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目的了解四川省西昌市女性性工作者(FSM)2010—2015年艾滋病病毒(HIV)和梅毒感染状况及相关行为情况。方法分别于2010—2011年、2012—2013年和2014—2015年在西昌市FSM人群中开展三次连续性横断面调查,调查其社会人口学和行为学特征并进行HIV和梅毒感染检测。结果三次连续性横断面调查分别调查了FSM人群805、806和800人。2010—2015年FSM人群HIV和梅毒平均抗体阳性率分别为0.9%和5.9%,三次连续性横断面调查HIV和梅毒抗体阳性率变化差异无统计学意义(P>0.05)。多因素Logistic回归分析结果显示,少数民族、低档场所和近一年曾患过性病的FSM人群HIV感染率高。结论我国西部四川省西昌市FSM人群HIV和梅毒抗体阳性率较高,高危性行为仍普遍存在,FSM人群仍然是当地艾滋病防控工作的重点人群。
Objective To understand the status of HIV and syphilis infection among female sex workers (FSM) in 2010-2015 in Xichang, Sichuan Province and related behaviors. Methods Three consecutive cross-sectional surveys were conducted among the FSM population in Xichang in 2010-2011, 2012-2013 and 2014-2015 to investigate their socio-demographic and behavioral characteristics and to detect HIV and syphilis infections. Results Three consecutive cross-sectional surveys surveyed 805, 806 and 800 individuals with FSM respectively. The average antibody positive rates of HIV and syphilis among FSM population from 2010 to 2015 were 0.9% and 5.9%, respectively. There was no significant difference in the positive rates of HIV and syphilis antibodies between the three consecutive cross-sectional surveys (P> 0.05). Multivariate logistic regression analysis showed that the rates of HIV infection among ethnic minorities, low-grade places and FSM patients who had STDs in the past year were high. Conclusions The positive rate of HIV and syphilis antibody is high in FSM population in Xichang, western part of China. However, the high-risk behaviors are still prevalent. The FSM population is still the focus of local AIDS prevention and control.