A community-based comprehensive intervention to reduce syphilis infection among low-fee female sex workers in China: a matched-pair, community-based randomized study.

Background: Low-fee female sex workers (FSWs) are at high risk of acquiring and spreading human immunodeficiency virus (HIV)/sexually transmitted diseases (STDs) in China. There is an urgent need to develop comprehensive intervention measures targeted towards low-fee FSWs to reduce HIV/STD infections. Thus, this study aimed to reduce HIV/STD infections among low-fee FSW through a matched-pair, community-based randomized intervention trial carried out in 12 cities in three provinces in China.

HIV care-seeking behaviour after HIV self-testing among men who have sex with men in Beijing, China: a cross-sectional study.

Background: Men who have sex with men (MSM) has become the group with the fastest growing HIV epidemic in China. Since many Chinese MSM are conducting HIV self-testing, we aimed to determine the rate of HIV care seeking after self-testing, examine characteristics of "seekers" compared to "non-seekers," and explore factors associated with HIV care-seeking behaviour.

Methods: A cross-sectional study design was used and an online survey was conducted in Beijing, China in 2016, among users of a popular Chinese gay networking smart phone application.

[Current situation related to antiretroviral therapy and related influential factors on HIV infected injection drug users in the methadone maintenance treatment clinics].

Objective: To find out the current coverage of antiretroviral therapy (ART) among HIV positive subjects and to identify the major influential factors associated with the participation in ART among them.

Methods: 291 HIV positive subjects from 6 methadone maintenance treatment (MMT) clinics in Guangxi and Yunnan province were surveyed by questionnaires.

Results: 217 males (74.

[Factors associated with overdose-caused mortality of HIV-positive patients who were on methadone maintenance treatment program].

Objective: To study the factors that associated with the mortality of overdose on methadone maintenance treatment(MMT)among HIV-positive patients.

Methods: A 1 : 1 matched case-control design was used to identify the relationship between factors related to demography, drug use, characteristics of treatment and the mortality of overdose. 110 HIV-positive patients who died of drug overdose from March 2004 to September 2012 were defined as cases.

[Study on the incidence and risk factors of HCV infection among heroin addicts who were on methadone maintenance treatment in Dehong prefecture,Yunnan province].

Objective: To determine the incidence and risk factors of HCV infection among heroin addicts who were receiving methadone maintenance treatment(MMT)in Dehong prefecture, Yunnan province.

Methods: All heroin addicts who were HCV negative at the initiation of MMT in June 2005 through March 2012, in Dehong prefecture, were included in this cohort analysis. HCV incidence was calculated and related risk factors determined by using Cox proportional hazard regression model.

[Characteristics and associated factors of long-term retention for methadone maintenance treatment patients].

Objective: To describe the characteristics and factors associated with long-term retention for methadone maintenance treatment (MMT) patients.

Methods: This study was conducted in eight MMT clinics located in Sichuan, Yunnan, Guangxi, Guizhou and Zhejiang provinces. Five hundred and thirty-nine MMT patients who enrolled in MMT clinics in 2004 and retained in treatment by June 2010 were selected as study subjects.

[Evaluation on the long-term effectiveness among the first set eight methadone maintenance treatment clinics in China].

Objective: To evaluate the long-term effectiveness of the first set 8 methadone maintenance treatment (MMT) clinics in China.

Methods: Repeated cross-sectional surveys were conducted on the first month after the enrollment and 5 years later, among drug users who received MMT, using a standard questionnaire. Data on demographic characteristics, HIV-related high-risk behaviors, criminal records associated with drug use and related family/social functions were collected and analyzed.

[Study on incidence of HIV infection among heroin addicts receiving methadone maintenance treatment in Dehong prefecture, Yunnan province].

Objective: To determine the incidence and risk factors of HIV infection among heroin addicts receiving methadone maintenance treatment (MMT) in Dehong prefecture, Yunnan province.

Methods: All heroin addicts who were HIV negative at the initiation of MMT in June 2005 and through June 2011, in Dehong prefecture were included in the cohort analysis. HIV incidence was calculated and related risk factors determined by using Cox proportional hazard regression model.

[Study on the prevalence of HIV and AIDS-related risky sexual behaviors among male university students who have sex with men in Beijing, China].

Objective: To assess the prevalence of HIV and risky sexual behaviors among university students who have sex with men (MSM) in Beijing.

Methods: MSM students in the universities were mainly recruited via internet. Questionnaires were self-administered to collect social demographic information and AIDS-related risky sexual behaviors.

[Adherence and related determinants on methadone maintenance treatment among heroin addicts in Dehong prefecture, Yunnan province].

Objective: To determine the adherence to and its determinants of methadone maintenance treatment (MMT) among heroin addicts in Dehong prefecture in Yunnan province from 2005 to 2009.

Methods: A dynamic cohort analysis was conducted with the time of treatment initiation as the time of cohort entry, to calculate the proportion of adhering to the treatment at different time points after initiation of the treatment, and to study the determinants of adherence.

Results: A total of 3758 had been treated.

[Risk factors which were associated with heroin use during the methadone maintenance treatment among 1301 patients in 9 cities of China.].

Objective: To determine the proportion of heroin use among patients who were involved in community-based methadone maintenance treatment (MMT) program and to identify the risk factors associated with heroin use.

Methods: This study was conducted in 9 MMT clinics within 3 provinces. Thirteen hundred and one patients who met the study criteria were selected from each of the five groups with different dosages of methadone users.

[A study of HIV/AIDS-related stigma and discrimination among former plasma donors in rural areas].

Objective: To understand the types of, reasons for and sources of stigma and discrimination in a rural community where the majority of people living with HIV/AIDS (PLHA) are former plasma donors (FPDs).

Methods: Eighty local residents, including 20 HIV-positive villagers, 20 family members, 20 villagers from non-HIV-positive households and 20 health workers, were selected as study subjects by using purposive sampling method in rural areas of Anhui Province. Face-to-face interviews and focus group discussions were held to collect information on HIV/AIDS-related stigma and discrimination and its contributing factors.

[Survey on AIDS/STD risk behaviors and prevalence among men who have sex with men in Langfang, Hebei].

Objective: To understand the demographic and HIV risk behaviors, HIV and syphilis infection among men who have sex with men (MSM) in Langfang, Hebei.

Methods: 106 completed questionnaires were collected from 118 participants, who were recruited from MSM pubs and internet from October to November, 2007. Data on homosexual and heterosexual relationships as well as sexual behaviors were collected by face-to-face interview.

[Evaluation of first 8 pilot methadone maintenance treatment clinics in China].

Objective: To evaluate the effectiveness of the first eight pilot methadone maintenance treatment (MMT) clinics in China.

Methods: A questionnaire survey of the clients at the 8 pilot MMT clinics was performed at entry, 6 month and 12 month follow-up. Drug using behaviors, drug related crime behaviors, and relationships in families were compared among at entry, 6 and 12 months follow-up.