| Objective: 1.To understand the demographic characteristics,awareness rate of HIV,sexual behaviors,condom use and HIV prevention services in Weinan city;2.To identify the status of HIV infection among men who have sex with men(MSM)in Weinan city;3.To explore theinfluencing factors of HIVamong MSM in Weinan,and to provide scientific basis for the prevention and treatment of AIDS in this population.Method: From April to October 2016,we c hoose the method of cross-sectional study to investigate the current situation and risk factors of HIV infection in MSM group in Weinan city of Shaanxi Province.303 MSM were recruitedthrough the method of snowball,informed sources and network recruitment,carried out questionnaire on the premise of informed consent.The questionnaire includes: demographic characteristics,aware ness of AIDS related knowledge,sexual behavior characteristics,history of drug abuse,having received HIV prevention services and HIV antibody testing in recent year.After the completion of the questionnaire,using saliva,fingertip blood and other rapid detection methods to carry out the HIV antibody screening on respondent,the positive take 5ml venous blood for the detection of HIV antibody.Epidata 3.0 and SPSS22.0 sortware were used fordata input and statistical analysis.Result: 1.Among the 303 recruited MSM,the average age was(32.98±8.72)years old,which mainly for young people.Age of the cases were mainly distributed between 20-40 years old,accounting for 68.98%.And it was based unmarried,on more education,Han nationality,other work and busness services personnel.More than 50% people have 2000-4000 income every month.2.The awareness rate of AIDS related knowledge was 89.44%.There was a statistical correlation between age,nationality and education.3.The sexual orientation of MSM is given priority to with gay,accounting for 68.65%.For the first sexual objects,the proportion of men and wo men close to 1:1.And the median number of total homosexual partner was 2,the number of sexual partners 4 or higher accounting for 16.17%.70.30% among MSM has a lifetime partners,and 33.99% in the active behavior.The last six months,75.91% of MSM had homosexual anal sex,of which 49.13% use condoms every time.And 9.57% had commercial sex,of which 10.34% use condoms every time.34.65% had female partners in the last six months,and 38.10% used condoms every time.In the last six months of homosexual behaviors,50.87% of MSM had unprotected anal sex.After multiariable logistic regression analysis: income>2000/month(OR=0.38,95%CI: 0.19-0.76),no commercial behaviors(OR=0.23,95%CI: 1.38-5.12),adhere to the protectively sexual behavior with female(OR=0.43,95%CI: 0.21-0.88),number of sexual partners>2(OR=2.66,95%CI: 1.38-5.12)and the latest year not received peer education(OR=1.87,95%CI: 1.01-3.49)were the influence factors of unprotected anal sex.4.In the MSM population in Weinan,7 people had a history of drug abuse,and 8people had a history of sexually transmitted diseases(STD).5.Over the past year,60.40% of the respondents had received HIV prevention services.65.68% of MSM had been tested for HIV antibodies.6.The HIV infection rate of MSM population in Weinan was 7.59%.The income>2000/month(OR=0.18,95%CI: 0.06-0.52)was the protection factor of HIV infection.Age≥40 years old(OR=5.45,95%CI: 1.85-16.08),number of sexual partners>2(OR=4.96,95%CI: 1.95-12.61)and the latest year in not for HIV antibody testing(OR=3.83,95%CI: 1.47-10.00)were independent risk factors for HIV infection.Conclusion:The HIV/AIDS high-risk behavior of MSM is widespread in Weinan,and HIV infection rate is close to national average,andthe trend of rising year by year.High income and participation in HIV antibody testing were protective factorsfor HIV infection.Age and sexual partners were independent risk factors.The relevant departments should actively carry out prevention and control work,starting from high-risk behavior,combined with the impact factors of local HIV infection,strengthen publicity and education,carry out targeted intervention activities,develope the VCT clinic,and encourage the crowd to detect HIV antibody regularly,in order to red uce new infections. |