2017
Human Immunodeficiency Virus Status Differentially Associated With Genital and Anal Human Papillomavirus Infection Among Chinese Men Who Have Sex With Men
Qian HZ, Hu Y, Carlucci JG, Yin L, Li X, Giuliano AR, Li D, Gao L, Shao Y, Vermund SH. Human Immunodeficiency Virus Status Differentially Associated With Genital and Anal Human Papillomavirus Infection Among Chinese Men Who Have Sex With Men. Sexually Transmitted Diseases 2017, 44: 656-662. PMID: 28876311, PMCID: PMC5719885, DOI: 10.1097/olq.0000000000000672.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virus statusAnal HPVHuman papillomavirus infectionOncogenic HPV typesGenital HPVHIV seropositivityPapillomavirus infectionHPV typesVirus statusAnal siteAnatomic sitesAnal sexAnal human papillomavirus (HPV) infectionInsertive anal sexReceptive anal sexCross-sectional studyInconsistent condom useUninfected MSMHPV genotypingMiddle-income countriesHIV serostatusHuman papillomavirusChinese MSMHPVChinese men
2016
Barriers and Facilitators of Linkage to and Engagement in HIV Care Among HIV-Positive Men Who Have Sex with Men in China: A Qualitative Study
Liu Y, Osborn CY, Qian HZ, Yin L, Xiao D, Ruan Y, Simoni JM, Zhang X, Shao Y, Vermund SH, Amico KR. Barriers and Facilitators of Linkage to and Engagement in HIV Care Among HIV-Positive Men Who Have Sex with Men in China: A Qualitative Study. AIDS Patient Care And STDs 2016, 30: 70-77. PMID: 26784360, PMCID: PMC4753635, DOI: 10.1089/apc.2015.0296.Peer-Reviewed Original ResearchMeSH KeywordsAdultChinaConfidentialityFearFocus GroupsHealth Knowledge, Attitudes, PracticeHealth ServicesHealth Services AccessibilityHIV InfectionsHomosexuality, MaleHumansInterviews as TopicMalePeer GroupPrejudicePrevalenceQualitative ResearchRisk-TakingSexual PartnersSocial StigmaSocioeconomic FactorsConceptsHIV-positive MSMFacilitators of linkageHIV careAntiretroviral therapyCurrent HIV preventionFree HIV careHIV-positive patientsHIV-positive menHIV care servicesHealth care workersFocus group discussionsContinuum of careHIV transmissionCare interventionsHIV preventionClinic timeCare workersQualitative studyCare servicesKey populationsPsychological burdenMSMCarePeer referralDisclosure concerns
2015
Qualitative Assessment of Barriers and Facilitators of Access to HIV Testing Among Men Who Have Sex with Men in China
Liu Y, Sun X, Qian HZ, Yin L, Yan Z, Wang L, Jiang S, Lu H, Ruan Y, Shao Y, Vermund SH, Amico KR. Qualitative Assessment of Barriers and Facilitators of Access to HIV Testing Among Men Who Have Sex with Men in China. AIDS Patient Care And STDs 2015, 29: 481-489. PMID: 26186029, PMCID: PMC4553375, DOI: 10.1089/apc.2015.0083.Peer-Reviewed Original ResearchConceptsHIV testingHIV prevention intervention effortsLimited HIV knowledgeHIV testing ratesHIV-positive groupHigh-risk subgroupsDiagnosis of HIVHigh-risk behaviorsFacilitators of accessPrevention intervention effortsHIV careHIV servicesHIV knowledgeRisk subgroupsClinic timeNosocomial infectionsChinese MSMUltimate preventionFocus groupsTesting ratesOnward transmissionPositive diagnosisRapid linkageHIVIntervention development
2014
HIV Stigma as a Barrier to Retention in HIV Care at a General Hospital in Lima, Peru: A Case–Control Study
Valenzuela C, Ugarte-Gil C, Paz J, Echevarria J, Gotuzzo E, Vermund SH, Kipp AM. HIV Stigma as a Barrier to Retention in HIV Care at a General Hospital in Lima, Peru: A Case–Control Study. AIDS And Behavior 2014, 19: 235-245. PMID: 25269871, PMCID: PMC4344383, DOI: 10.1007/s10461-014-0908-7.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnti-HIV AgentsCase-Control StudiesContinuity of Patient CareFemaleHealth Knowledge, Attitudes, PracticeHealth Services AccessibilityHIV InfectionsHospitals, GeneralHumansInterviews as TopicMaleMiddle AgedPeruPrejudiceSelf ConceptSocial StigmaStereotypingSurveys and QuestionnairesConceptsCase-control studyHIV careHIV stigmaDisclosure concernsMultivariable logistic regressionHIV Stigma ScaleNon-linear associationWarrants further explorationClinic visitsGeneral HospitalStigma domainsStigma scoresActive careStigma ScaleModest associationLogistic regressionCareAssociationStigmaFurther explorationHigh levelsPatientsHospitalCurrent drug use and lack of HIV virologic suppression: point-of-care urine drug screen versus self-report
Qian HZ, Mitchell VJ, Bebawy S, Cassell H, Perez G, McGowan CC, Sterling TR, Vermund SH, D’Aquila R, Hulgan T. Current drug use and lack of HIV virologic suppression: point-of-care urine drug screen versus self-report. BMC Infectious Diseases 2014, 14: 508. PMID: 25234368, PMCID: PMC4175271, DOI: 10.1186/1471-2334-14-508.Peer-Reviewed Original ResearchConceptsUrine drug screensCurrent drug usePositive urine drug screenComputer Assisted Self-InterviewVirologic suppressionDrug useAntiretroviral therapyDrug screensNegative urine drug screensHigher CD4 countsHIV disease progressionRoutine clinic visitsHIV virologic suppressionCross-sectional studyLower self-reported ratesSelf-reported ratesCD4 countClinic visitsPrognostic informationDisease progressionCaucasian raceART usersLower likelihoodResultsAbout halfSelf interview
2013
Sex with Women Among Men Who Have Sex with Men in China: Prevalence and Sexual Practices
Tao J, Ruan Y, Yin L, Vermund SH, Shepherd BE, Shao Y, Qian HZ. Sex with Women Among Men Who Have Sex with Men in China: Prevalence and Sexual Practices. AIDS Patient Care And STDs 2013, 27: 524-528. PMID: 23931683, PMCID: PMC3760059, DOI: 10.1089/apc.2013.0161.Peer-Reviewed Original ResearchConceptsPotential bridge populationPrevalence of HIVSubgroup of menPrevention intervention programsHIV prevention intervention programsSyphilis infectionEligible MSMHIV transmissionAlcohol drinkingAnal sexOlder ageLower educationInsertive roleWomenIntervention programsSexMenBisexual behaviorHIVSignificant differencesStrongest predictorBisexual orientationSexual practicesBridge populationInfection
2012
Risk Behaviors for Reproductive Tract Infection in Women Who Have Sex with Women in Beijing, China
Wang X, Norris JL, Liu Y, Vermund SH, Qian HZ, Han L, Wang N. Risk Behaviors for Reproductive Tract Infection in Women Who Have Sex with Women in Beijing, China. PLOS ONE 2012, 7: e40114. PMID: 22768334, PMCID: PMC3388038, DOI: 10.1371/journal.pone.0040114.Peer-Reviewed Original ResearchMeSH KeywordsAdultChinaFemaleHomosexuality, FemaleHumansInterviews as TopicMaleMiddle AgedReproductive Tract InfectionsRisk-TakingUnsafe SexConceptsReproductive tract infectionsTract infectionsSTI/reproductive tract infectionsCondom useRisk behaviorsSexual partnersHigh-risk sexual behaviorCross-sectional studyConsistent condom useSexual behaviorG-spotPast yearInternet outreachAverage ageLast sexSubstantial riskRTI preventionWomenInfectionFemale partnersIntervention programsSex toysSexMenYears
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
2010
Prevalence and Correlates of Needle-Sharing Among New and Long-Term Injection Drug Users in Southwest China
Zhang L, Li J, Lai W, Feng L, Zeng Y, Liu L, Hu Y, Liu J, Zhang X, Wu P, Vermund SH, Jia Y. Prevalence and Correlates of Needle-Sharing Among New and Long-Term Injection Drug Users in Southwest China. Substance Use & Misuse 2010, 45: 2503-2523. PMID: 20536355, DOI: 10.3109/10826084.2010.487234.Peer-Reviewed Original Research
2009
Predictors of Suboptimal Virologic Response to Highly Active Antiretroviral Therapy Among Human Immunodeficiency Virus–Infected Adolescents: Analyses of the Reaching for Excellence in Adolescent Care and Health (REACH) Project
Ding H, Wilson CM, Modjarrad K, McGwin G, Tang J, Vermund SH. Predictors of Suboptimal Virologic Response to Highly Active Antiretroviral Therapy Among Human Immunodeficiency Virus–Infected Adolescents: Analyses of the Reaching for Excellence in Adolescent Care and Health (REACH) Project. JAMA Pediatrics 2009, 163: 1100-1105. PMID: 19996046, PMCID: PMC3739292, DOI: 10.1001/archpediatrics.2009.204.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAntiretroviral Therapy, Highly ActiveCD4 Lymphocyte CountChi-Square DistributionFemaleHIV InfectionsHumansInterviews as TopicLogistic ModelsMalePatient CompliancePredictive Value of TestsPrevalenceProspective StudiesStatistics, NonparametricTreatment OutcomeUnited StatesViral LoadYoung AdultConceptsHuman immunodeficiency virus-infected adolescentsSuboptimal virologic responsePoor virologic responseVirologic responseActive antiretroviral therapyAntiretroviral therapyVirologic suppressionMultivariable logistic regression modelDual antiretroviral therapyInitiation of HAARTSuboptimal antiretroviral therapyAge-specific interventionsAcademic medical centerLogistic regression modelsCohort studyLymphocyte countViral loadEcho findingsAdequate adherenceTherapeutic failureBiopsychosocial predictorsHAARTMedical CenterAdolescent careConsecutive visitsHigh-risk behaviours among juvenile prison inmates in Pakistan
Altaf A, Janjua NZ, Kristensen S, Zaidi NA, Memon A, Hook EW, Vermund SH, Shah SA. High-risk behaviours among juvenile prison inmates in Pakistan. Public Health 2009, 123: 470-475. PMID: 19615706, DOI: 10.1016/j.puhe.2009.06.001.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virusCross-sectional studyHigh-risk behaviorsRisk behaviorsMultivariate logistic regression analysisHIV risk behaviorsLogistic regression analysisMean knowledge scoreMultiple sexual partnersUse of condomsMode of transmissionMale juvenile detaineesImmunodeficiency virusHigh riskRisk scoreChlamydia trachomatisUrine specimensLigase chain reactionCondom useKnowledge scoreNeisseria gonorrhoeaePrison inmatesSexual partnersBiological markersSexual activity[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
Does douching increase risk for sexually transmitted infections? A prospective study in high-risk adolescents
Tsai CS, Shepherd BE, Vermund SH. Does douching increase risk for sexually transmitted infections? A prospective study in high-risk adolescents. American Journal Of Obstetrics And Gynecology 2008, 200: 38.e1-38.e8. PMID: 18667177, PMCID: PMC3199592, DOI: 10.1016/j.ajog.2008.06.026.Peer-Reviewed Original ResearchConceptsHazard ratioCox proportional hazards modelIncidence of STIsProportional hazards modelAdjusted hazardIncident STIsProspective studyHigh-risk adolescentsHuman immunodeficiencySTI riskIncrease riskHazards modelNext visitSTIsVisitsDouchersFemale adolescentsDouchingAdolescentsInfectionRiskImmunodeficiencyIncidencePredictors 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 ResearchMeSH KeywordsAdultChinaCross-Sectional StudiesForecastingHIV InfectionsHomosexuality, MaleHumansInterviews as TopicMaleMiddle AgedSyphilisUnsafe SexConceptsUnprotected 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
2001
Motorcycle Taxi Drivers and Sexually Transmitted Infections in a Peruvian Amazon City
PARIS M, GOTUZZO E, GOYZUETA G, ARAMBURU J, CACERES C, CRAWFORD D, CASTELLANO T, VERMUND S, HOOK E. Motorcycle Taxi Drivers and Sexually Transmitted Infections in a Peruvian Amazon City. Sexually Transmitted Diseases 2001, 28: 11-13. PMID: 11196039, DOI: 10.1097/00007435-200101000-00004.Peer-Reviewed Original ResearchConceptsChlamydia trachomatis infectionPrevalence of factorsCommercial sex workersMotorcycle taxi driversInfection testingTrachomatis infectionChlamydial infectionReferral of clientsUrine specimensHigh personal riskRisk personsPeruvian Amazon cityNeisseria gonorrhoeaeDisease riskStreet outreachConvenience sampleInfectionSex workersCommon formPersonal riskPrevalenceDiseaseRiskAmazon cityPast year
1993
Chlamydial cervical infection in jailed women.
Holmes MD, Safyer SM, Bickell NA, Vermund SH, Hanff PA, Phillips RS. Chlamydial cervical infection in jailed women. American Journal Of Public Health 1993, 83: 551-5. PMID: 8460733, PMCID: PMC1694480, DOI: 10.2105/ajph.83.4.551.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalysis of VarianceChlamydia InfectionsChlamydia trachomatisComorbidityCondomsEducational StatusFemaleHealth PolicyHumansInterviews as TopicMarital StatusMass ScreeningMultivariate AnalysisNew York CityPrevalencePrisonersRacial GroupsRisk FactorsSensitivity and SpecificityUterine Cervical DiseasesVaginal SmearsConceptsChlamydial infectionCervical infectionInfected womenC trachomatisRisk factorsChlamydia trachomatis cervical infectionChlamydial cervical infectionMucopurulent cervical dischargeIndependent risk factorC trachomatis infectionNew York City jailsPelvic tendernessCervical dischargePresumptive treatmentCervical culturesTrachomatis infectionPresumptive therapyPositive culturesAdult womenInfectionWomenPrevalenceTrachomatisCity jailsTreatment