Guangming Qin

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OBJECTIVE To assess the prevalence of HIV and selected sexually transmitted diseases (STDs) among men who have sex with men (MSM) in Chengdu, China, and the risk factors associated with HIV infection. METHODS A cross-sectional study using a snowball sampling method was conducted from March to July 2007. Participants were asked to complete a questionnaire(More)
This study examined the impact of methadone on drug-using and risky sexual behaviors among 557 heroin injection drug users in one of the first methadone programs in China. Structured questionnaires were administered to collect data on methadone utilization, drug use, and risky sexual behaviors. Blood samples were tested for blood-borne infections.(More)
OBJECTIVE To investigate the incidence rates of HIV, hepatitis C virus (HCV), and hepatitis B virus (HBV) among injection drug users (IDU) in a drug trafficking city in southwest China. DESIGN A prospective cohort study. METHODS A cohort of 333 HIV-seronegative IDU was followed for 36 months from November 2002 and evaluated every 6 months for(More)
OBJECTIVE The objective of this study was to investigate the prevalence and risk factors of syphilis infection among female sex workers in a southwestern Chinese city along a drug trafficking route. METHODS From December 2004 to January 2005, 343 female sex workers (FSWs) were recruited through community outreach and peer referring. Confidential(More)
GOAL The goal of this study was to investigate the prevalence and different transmission risk factors of HIV among intravenous drug users (IDUs) in the Liangshan Yizu Autonomous Region of Sichuan province, China. METHODS From November 8, 2002, to November 29, 2002, a community-based survey was conducted to investigate demographic characteristics, sharing(More)
OBJECTIVE To evaluate the prevalence of and risk factors for nonfatal overdose among heroin users in southwestern China. METHODS In 2005, 731 heroin users in Sichuan Province, China were interviewed for overdose experiences in the past 12 months. Factors hypothesized to be associated with overdose were evaluated with logistic regression models. RESULTS(More)
In 2003, antiretroviral therapy became available free of charge in China's public health sector. During 2008 and 2009, 10 surveys to classify transmitted human immunodeficiency virus drug resistance (HIVDR) were conducted in 7 regions in 5 provinces (autonomous regions and municipalities) according to World Health Organization guidance. In 2008, transmitted(More)
BACKGROUND While many human immunodeficiency virus (HIV) studies have been performed in Liangshan, most were focused only on HIV infection and based on a sampling survey. In order to fully understand HIV and hepatitis C virus (HCV) prevalence and related risk factors in this region, this study implemented in 2009, included a survey, physical examination,(More)
A cross-sectional survey was conducted in 2007 among 504 drug users who were recruited mainly from detoxification centers in southwest China. About one-third (34.3%) of participants reported recent risky drug use behavior, which was defined as injecting drugs in the past 3 months, and more than one-fifth (21.6%) reported recent risky sexual behavior, or had(More)