2016
Substance use and HIV-risk behaviors among HIV-positive men who have sex with men in China: repeated measures in a cohort study design
Zhang C, Liu Y, Sun X, Wang J, Lu HY, He X, Zhang H, Ruan YH, Shao Y, Vermund SH, Qian HZ. Substance use and HIV-risk behaviors among HIV-positive men who have sex with men in China: repeated measures in a cohort study design. AIDS Care 2016, 29: 644-653. PMID: 27832699, PMCID: PMC5350012, DOI: 10.1080/09540121.2016.1255709.Peer-Reviewed Original ResearchConceptsHIV risk behaviorsCohort study designSubstance useStudy designHIV-positive MSMHIV-positive menGeneralized Estimating Equation modelsFemale sex partnersRapid HIV transmissionMale sexual partnersRigorous study designsSexual risk behaviorsCurrent studySeronegative counterpartsSeropositive menSeropositive partnersHIV transmissionMean agePotential confoundersRisk factorsHigh riskRisk populationsSex partnersUnprotected sexRisk behaviors
2014
Recreational drug use and risks of HIV and sexually transmitted infections among Chinese men who have sex with men: Mediation through multiple sexual partnerships
Xu JJ, Zhang C, Hu QH, Chu ZX, Zhang J, Li YZ, Lu L, Wang Z, Fu JH, Chen X, Yan HJ, Zhuang MH, Jiang YJ, Geng WQ, Vermund SH, Shang H, Qian HZ. Recreational drug use and risks of HIV and sexually transmitted infections among Chinese men who have sex with men: Mediation through multiple sexual partnerships. BMC Infectious Diseases 2014, 14: 642. PMID: 25443542, PMCID: PMC4272794, DOI: 10.1186/s12879-014-0642-9.Peer-Reviewed Original ResearchConceptsMultiple sexual partnershipsUnprotected sexDrug useSexual partnersSexual partnershipsSimplex virus type 2Multiple logistic regression modelHSV-2 infectionHSV-2 prevalenceCross-sectional studyRisk of HIVMultiple sexual partnersVirus type 2Last sexual encounterRecreational drug useLogistic regression modelsHIV infectionActive MSMHSV-2HIV riskSexual disinhibitionChinese MSMHigh riskHIVChinese menMethadone Maintenance Therapy and HIV Counseling and Testing are Associated with Lower frequency of Risky Behaviors Among Injection Drug Users in China
Wang M, Mao W, Zhang L, Jiang B, Xiao Y, Jia Y, Wu P, Cassell H, Vermund S. Methadone Maintenance Therapy and HIV Counseling and Testing are Associated with Lower frequency of Risky Behaviors Among Injection Drug Users in China. Substance Use & Misuse 2014, 50: 15-23. PMID: 25295376, DOI: 10.3109/10826084.2014.957768.Peer-Reviewed Original ResearchConceptsMethadone maintenance therapyInjection drug usersMaintenance therapyDrug usersConsecutive cross-sectional surveysHIV voluntary counselingUnprotected sexual behaviorCross-sectional surveyRisky behaviorsHIV counselingVoluntary counselingNeedle sharingUnprotected sexMMT servicesSignificant associationVCTLast monthSexual behaviorTherapyCounseling
2011
Bisexual Behavior and Infection with HIV and Syphilis Among Men Who Have Sex with Men Along the East Coast of China
Liao M, Kang D, Jiang B, Tao X, Qian Y, Wang T, Bi Z, Xiao Y, Li C, Wu P, Vermund SH, Jia Y. Bisexual Behavior and Infection with HIV and Syphilis Among Men Who Have Sex with Men Along the East Coast of China. AIDS Patient Care And STDs 2011, 25: 683-691. PMID: 21923416, PMCID: PMC4186825, DOI: 10.1089/apc.2010.0371.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBisexualityChildChinaCondomsCross-Sectional StudiesHealth Knowledge, Attitudes, PracticeHIV InfectionsHomosexuality, MaleHumansInterviews as TopicLogistic ModelsMaleMiddle AgedPrevalenceRisk-TakingSexual PartnersSocioeconomic FactorsSubstance-Related DisordersSyphilisUnsafe SexYoung AdultConceptsBisexual behaviorDrug usersMale partnersHIV/syphilisMultiple sexual partnersLast anal sexCross-sectional surveyDrug use behaviorsHIV/Multivariable modelHigh prevalenceSyphilis statusBlood samplesPrevention servicesHIVAnal sexMSMWSociodemographic informationUnprotected sexSyphilisSexual partnersMSMSexMenPopulation transmission
2009
[Sharing of needles and paraphernalia injection in new and long-term injection drug users in Sichuan, China].
Liu JB, Zhang LL, Lai WH, Feng L, Zeng YL, Liu L, Hu Y, Li J, Zhang XL, Xiao Y, Vermund SH, Jia YJ. [Sharing of needles and paraphernalia injection in new and long-term injection drug users in Sichuan, China]. Chinese Journal Of Epidemiology 2009, 30: 656-62. PMID: 19957584.Peer-Reviewed Original ResearchConceptsNon-regular sex partnersLong-term injection drug usersInjection drug usersRegular sex partnersCommercial sex partnersSex partnersUnprotected sexNew injection drug usersSex-related risk behaviorsHIV/STD preventionConsecutive cross-sectional surveysLess educationNeedle exchange programsCross-sectional surveyCondom promotionEligible participantsSTD preventionDrug usersNeedle exchangeRisk behaviorsParaphernalia sharingHigh frequencyInjection historyComprehensive intervention packageIntervention package
2008
Predictors of unprotected sex among men who have sex with men in Beijing, China.
Li X, Shi W, Li D, Ruan Y, Jia Y, Vermund SH, Zhang X, Wang C, Liu Y, Yu M, Xing H, Hong K, Shao Y. Predictors of unprotected sex among men who have sex with men in Beijing, China. The Southeast Asian Journal Of Tropical Medicine And Public Health 2008, 39: 99-108. PMID: 18567448, PMCID: PMC2730761.Peer-Reviewed Original ResearchConceptsUnprotected anal intercourseMale sex partnersSex partnersAnal intercourseMore male sex partnersMale partnersPrevalence of HIVReceptive anal intercourseCasual male partnersRegular male partnersCommunity-based surveyLow monthly incomeCasual sex partnersMale sex workersSyphilis infectionCondom promotionHIV epidemicUnprotected sexHIVSex workersPeer referralMenSexMonthly incomeInfection
2005
Risk of HIV/AIDS in China: subpopulations of special importance
Qian Z, Vermund SH, Wang N. Risk of HIV/AIDS in China: subpopulations of special importance. Sexually Transmitted Infections 2005, 81: 442. PMID: 16326842, PMCID: PMC1745065, DOI: 10.1136/sti.2004.014258.Peer-Reviewed Original ResearchConceptsHIV/AIDS epidemicHIV/AIDSDrug usersAIDS epidemicFormidable treatment challengeInjection drug useSex workersMajor risk factorLow condom useCommercial plasma donationCommercial sex workersNew drug usersHigh-risk behaviorsRed blood cellsHIV infectionNeedle sharingRisk factorsRisk groupsTreatment challengesFuture HIVGeneral populationHomosexual menDrug useUnprotected sexCondom use
2001
No change in health risk behaviors over time among HIV infected adolescents in care: role of psychological distress
Murphy D, Durako S, Moscicki A, Vermund S, Ma Y, Schwarz D, Muenz L, network T. No change in health risk behaviors over time among HIV infected adolescents in care: role of psychological distress. Journal Of Adolescent Health 2001, 29: 57-63. PMID: 11530304, DOI: 10.1016/s1054-139x(01)00287-7.Peer-Reviewed Original ResearchConceptsHealth risk behaviorsRecent sexual activityRisk behaviorsUnprotected sexPsychological distressLast intercourseHigh-risk sexual behaviorSexual activityHealth-related anxietySexual behaviorSexual risk behaviorsFrequent alcohol useMarijuana useUse of alcoholComputer-assisted self-administered interviewPrimary careStudy visitObservational studyHIVClinical sitesHealth interventionsDepressed adolescentsAlcohol useHealth anxietyMeasures analysis
1999
Behavioural risk factors for HIV/AIDS in a low-HIV prevalence Muslim nation: Bangladesh
Gibney L, Choudhury P, Khawaja Z, Sarker M, Vermund SH. Behavioural risk factors for HIV/AIDS in a low-HIV prevalence Muslim nation: Bangladesh. International Journal Of STD & AIDS 1999, 10: 186-194. PMID: 10340200, PMCID: PMC2564792, DOI: 10.1258/0956462991913862.Peer-Reviewed Original Research
1992
HIV and AIDS among adolescents in the United States: increasing risk in the 1990s
Bowler S, Sheon A, D'angelo L, Vermund S. HIV and AIDS among adolescents in the United States: increasing risk in the 1990s. Journal Of Adolescence 1992, 15: 345-371. PMID: 1487574, DOI: 10.1016/0140-1971(92)90069-h.Peer-Reviewed Original ResearchConceptsAcquired Immunodeficiency SyndromeHuman immunodeficiency virusHIV infectionHIV/Acquired Immunodeficiency SyndromeInjection drug equipmentYoung male homosexualsHIV risk factorsHIV seroprevalence studyAdolescent age groupHigher case ratesKey treatment issuesHigh rateHIV seroprevalenceInfected partnerImmunodeficiency syndromeImmunodeficiency virusRisk factorsSeroprevalence studyAIDS casesAIDS surveillanceHeterosexual epidemicTreatment servicesDrug useUnprotected sexAge groups