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1.
Article in Chinese | WPRIM | ID: wpr-779553

ABSTRACT

Objective To analyze the time trend of HIV epidemic and to provide basis for comprehensive HIV infection prevention among pregnant women. Methods From 2014 to 2018, continuous cross-sectional surveys were conducted among pregnant women in two maternity and child health care hospitals. 800 blood samples were collected each year to test HIV infection, syphilis and hepatitis C virus (HCV). Results A total of 4 000 eligible pregnant women completed the interview and blood testing. The awareness rate of knowledge about HIV/AIDS was 91.2%, and the rate was increasing year by year. Multivariate Logistic regression analysis showed that the awareness rate was associated with at age of more than 35, with lower education than college and the husband used to work in other places. Conclusions The rate of HIV infection among PRGs was at a low level in Taizhou.

2.
Chin. med. j ; Chin. med. j;(24): 523-529, 2016.
Article in English | WPRIM | ID: wpr-328205

ABSTRACT

<p><b>BACKGROUND</b>Human immunodeficiency virus (HIV) is spreading rapidly among men who have sex with men (MSM) in China. Anonymous questionnaires or direct interviews have been frequently used to study their behavior. The aim of the study was to describe the behavioral risk profile of the MSM in Beijing using the randomized response techniques (RRTs).</p><p><b>METHODS</b>A cross-sectional survey of sexual behavior among a sample of MSM was conducted in two HIV counseling and testing clinics in Beijing. The survey was carried out with an anonymous questionnaire containing sensitive questions on sexual behavior. To obtain the honest responses to the sensitive questions, three distinctive RRTs were used in the questionnaire: (1) Additive randomized response model for quantitative questions, (2) randomized response model for multiple choice questions, and (3) Simmons randomized response model for binomial questions. Formulae for the point estimate, variance, and confidence interval (CI) were provided for each specific model.</p><p><b>RESULTS</b>Using RRTs in a sample of 659 participants, the mean age at first homosexual encounter was estimated to be 21.7 years (95% CI: 21.2-22.2), and each had sex with about three (2.9, 95% CI: 2.4-3.4) male partners on average in the past month. The estimated rate for consistent condom use was 56.4% (95% CI: 50.1-62.8%). In addition, condom was estimated to be used among 80.0% (95% CI: 74.1-85.9%) of the population during last anal sex with a male partner.</p><p><b>CONCLUSIONS</b>Our study employed RRTs in a survey containing questions on sexual behavior among MSM, and the results showed that RRT might be a useful tool to obtain truthful feedback on sensitive information such as sexual behavior from the respondents, especially in traditional Chinese cultural settings.</p>


Subject(s)
Adolescent , Adult , Aged , Humans , Male , Middle Aged , Cross-Sectional Studies , Homosexuality, Male , Risk , Sexual Behavior , Surveys and Questionnaires
3.
Chinese Journal of Epidemiology ; (12): 663-666, 2012.
Article in Chinese | WPRIM | ID: wpr-288082

ABSTRACT

Objective To investigate the dynamic change and associated risk factors of HIV sero-conversion rate in Beijing.Methods 809 sero-negative men who have sex with men (MSM) were recruited in the cohort from August to December in 2009.HIV sero-antibody,medicinal examination and behavior questionnaire interview were carried out every six months.Results 962 MSM with overall baseline prevalence of HIV infection as 6.34% (61/962) together with 809 seronegative MSM,were enrolled in the cohort.Of the 809 sero-negative participants,95.1% (769/809),85.5% ( 692/809 ) and 71.0% ( 574/809 ) of them were retained in the 6-month,12-month and 18- month follow-up visits,with 19,29 and 17 of them became HIV sero-conversion at 6-month,12-month,and 18-month follow-up visits and the HIV incidence rates appeared to be 5.47,12.37 and 6.86 per 100 person-years respectively.The HIV incidence was 7.59 per 100 person-years in the 18 months follow-up visit.Factors including:younger than 25-years old (HR =2.32,95%CI:1.39-3.87),having more than 8 MSM partners (HR=2.50,95%CI:1.49-4.20),less than RMB 2000 Yuan every month income (HR=1.76,95%CI:1.06-2.95 ),having more than 4 homosexual partners in the last six months (HR=3.50,95% CI:2.11 -5.81 ),showing phimosis and redundant prepuce (HR=2.47,95% CI:1.50-4.07 ) as well as positive syphilis test (HR=2.62,95%CI:1.53-4.49) etc.,were significantly associated with HIV incidence.Conclusion High HIV incidence was shown among MSM in Beijing and had spread fast in this population,calling for more favorable prevention measures to be taken.

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