2021
Poor retention and care-related sex disparities among youth living with HIV in rural Mozambique
Ahonkhai AA, Aliyu MH, Audet CM, Bravo M, Simmons M, Claquin G, Memiah P, Fernando AN, Carlucci JG, Shepherd BE, Van Rompaey S, Yu Z, Gong W, Vermund SH, Wester CW. Poor retention and care-related sex disparities among youth living with HIV in rural Mozambique. PLOS ONE 2021, 16: e0250921. PMID: 34019582, PMCID: PMC8139489, DOI: 10.1371/journal.pone.0250921.Peer-Reviewed Original ResearchConceptsHigher oddsCombination antiretroviral therapy (cART) initiationCox proportional hazards modelCare continuum outcomesComprehensive HIV programsPost-ART initiationYoung adults 15Antiretroviral therapy initiationRetrospective cohort studySex-related disparitiesMultivariable logistic regressionOne-year followProportional hazards modelYears of agePL femalesSex-related differencesART initiationAYA cohortTherapy initiationCohort studyContinuum outcomesHIV outcomesClinical visitsAdults 15HIV programs
2019
Syphilis associated with recreational drug use, depression and high-risk sexual behaviour in men who have sex with men: a case–control study in China
Wu H, Xiu C, Fu X, Li M, Wang Z, Li X, Wu J, Vermund SH, Hu Y. Syphilis associated with recreational drug use, depression and high-risk sexual behaviour in men who have sex with men: a case–control study in China. Sexually Transmitted Infections 2019, 95: 267-272. PMID: 30842346, PMCID: PMC11093516, DOI: 10.1136/sextrans-2018-053878.Peer-Reviewed Original ResearchConceptsRecreational drug useHigh-risk sexual behaviorCase-control studyDrug useSyphilis infectionToluidine red unheated serum testUnmatched case-control studyRed unheated serum testMultivariable logistic regressionPotential risk factorsMultiple drug useSexual behaviorPrior STIFrequent methamphetamine useSyphilis prevalenceSyphilis testingRisk factorsSerum testHealth workersDepression scoresSelf-administrated questionnaireRecreational drugsLogistic regressionSyphilisMethamphetamine use
2018
Risk Prediction Score for HIV Infection: Development and Internal Validation with Cross-Sectional Data from Men Who Have Sex with Men in China
Yin L, Zhao Y, Peratikos MB, Song L, Zhang X, Xin R, Sun Z, Xu Y, Zhang L, Hu Y, Hao C, Ruan Y, Shao Y, Vermund SH, Qian HZ. Risk Prediction Score for HIV Infection: Development and Internal Validation with Cross-Sectional Data from Men Who Have Sex with Men in China. AIDS And Behavior 2018, 22: 2267-2276. PMID: 29786768, PMCID: PMC7024582, DOI: 10.1007/s10461-018-2129-y.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAlcohol DrinkingChinaCondomsCross-Sectional StudiesHIV InfectionsHomosexuality, MaleHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisPrevalenceRisk AssessmentRisk FactorsRisk-TakingSafe SexSexual and Gender MinoritiesSexual BehaviorSexual PartnersSurveys and QuestionnairesSyphilisUnsafe SexYoung AdultConceptsHIV infectionRisk scoreHuman immunodeficiency virus (HIV) riskMultivariable logistic regression modelingBootstrap-corrected C-indexMultiple male sexual partnersValid risk scoreVaccine clinical trialsHigh-risk MSMHigh-risk personsRisk prediction scoreReceptive anal intercourseReceptive anal sexInconsistent condom useMale sexual partnersHIV prevention programmingLogistic regression modelingDrug/alcohol addictionHIV acquisitionRisk reduction programsSyphilis infectionHIV prevalenceClinical trialsC-indexIllegal drug use
2016
High HIV prevalence and the internet as a source of HIV-related service information at a community-based organization in Peru: a cross-sectional study of men who have sex with men
Passaro RC, Haley CA, Sanchez H, Vermund SH, Kipp AM. High HIV prevalence and the internet as a source of HIV-related service information at a community-based organization in Peru: a cross-sectional study of men who have sex with men. BMC Public Health 2016, 16: 871. PMID: 27557857, PMCID: PMC4997688, DOI: 10.1186/s12889-016-3561-4.Peer-Reviewed Original ResearchMeSH KeywordsAdultCommunity Health ServicesCross-Sectional StudiesHIV InfectionsHomosexuality, MaleHumansInformation Seeking BehaviorInformation ServicesInternetLogistic ModelsMaleMarketing of Health ServicesOdds RatioPatient Acceptance of Health CarePeer GroupPeruPrevalenceRisk-TakingSex WorkersSexual BehaviorSexual PartnersYoung AdultConceptsHIV prevalenceHIV servicesCross-sectional studyHIV careCommunity-based organizationsMethodsA cross-sectional studyMultivariable logistic regression modelSource of HIVHigh-risk personsSex workersHigh HIV prevalenceGeneral adult populationSex workers groupSexual risk behaviorsResource-limited settingsLogistic regression modelsHIV diagnosisWorker groupsHigh riskAdult populationInfected individualsPerson groupRisk behaviorsRisk profileMSMRelationship of Stigma and Depression Among Newly HIV-Diagnosed Chinese Men Who Have Sex with Men
Tao J, Wang L, Kipp AM, Qian HZ, Yin L, Ruan Y, Shao Y, Lu H, Vermund SH. Relationship of Stigma and Depression Among Newly HIV-Diagnosed Chinese Men Who Have Sex with Men. AIDS And Behavior 2016, 21: 292-299. PMID: 27376900, PMCID: PMC5322805, DOI: 10.1007/s10461-016-1477-8.Peer-Reviewed Original ResearchConceptsCurrent depressionMultivariable ordinal logistic regressionInternalized stigmaCurrent depression prevalenceRelationship of stigmaTotal stigma scoreLong-term mental healthOne-point increaseNewly HIVHIV diagnosisHIV infectionDepression prevalenceOrdinal logistic regressionHIV stigmaChinese MSMChinese menStigma scoresHIVLogistic regressionMedian scoreEffective interventionsMental healthStrong associationDepressionMen
2015
Predictors of antiretroviral therapy initiation: a cross-sectional study among Chinese HIV-infected men who have sex with men
Liu Y, Ruan Y, Vermund SH, Osborn CY, Wu P, Jia Y, Shao Y, Qian HZ. Predictors of antiretroviral therapy initiation: a cross-sectional study among Chinese HIV-infected men who have sex with men. BMC Infectious Diseases 2015, 15: 570. PMID: 26714889, PMCID: PMC4696158, DOI: 10.1186/s12879-015-1309-x.Peer-Reviewed Original ResearchConceptsCells/μLAntiretroviral therapy initiationART initiationHIV infectionCross-sectional studyTherapy initiationChinese MSMWorld Health Organization (WHO) clinical stage III/IVClinical stage III/IVStage III/IVNational HIV treatment guidelinesCD4 cell countHIV treatment guidelinesHIV viral suppressionLonger durationLogistic regression modelsChinese HIVEligible HIVCD4 countHIV careViral suppressionART eligibilityMedian durationTreatment guidelinesClinical symptoms
2014
Correlates of Suboptimal Entry Into Early Infant Diagnosis in Rural North Central Nigeria
Aliyu MH, Blevins M, Megazzini KM, Audet CM, Dunlap J, Sodangi IS, Gebi UI, Shepherd BE, Wester CW, Vermund SH. Correlates of Suboptimal Entry Into Early Infant Diagnosis in Rural North Central Nigeria. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2014, 67: e19-e26. PMID: 24853310, PMCID: PMC4134378, DOI: 10.1097/qai.0000000000000215.Peer-Reviewed Original ResearchConceptsEarly infant diagnosisRural North-Central NigeriaInfant diagnosisPregnant womenChild HIV transmission (PMTCT) programsHIV care/treatmentClinic of enrolmentPediatric HIV infectionPrevention of motherNorth Central NigeriaMultivariable logistic regressionCare/treatmentDate of enrollmentHIV service uptakeEID uptakeCohort studyHIV infectionLaboratory variablesClinic locationService uptakeMaternal factorsTransmission programInfantsReferral sourceLogistic regression
2013
Utilization of Cervical Cancer Screening Services and Trends in Screening Positivity Rates in a ‘Screen-And-Treat’ Program Integrated with HIV/AIDS Care in Zambia
Mwanahamuntu MH, Sahasrabuddhe VV, Blevins M, Kapambwe S, Shepherd BE, Chibwesha C, Pfaendler KS, Mkumba G, Vwalika B, Hicks ML, Vermund SH, Stringer JS, Parham GP. Utilization of Cervical Cancer Screening Services and Trends in Screening Positivity Rates in a ‘Screen-And-Treat’ Program Integrated with HIV/AIDS Care in Zambia. PLOS ONE 2013, 8: e74607. PMID: 24058599, PMCID: PMC3776830, DOI: 10.1371/journal.pone.0074607.Peer-Reviewed Original ResearchConceptsCervical cancer screening servicesCancer screening servicesHIV-seronegative womenHIV serostatusScreening servicesHIV/AIDS care programsCervical cancer prevention programsCervical cancer prevention servicesCervical cancer screening programsHIV/AIDS careHIV-seropositive womenCancer prevention servicesCancer prevention programsCancer screening programsAIDS care programsProportion of womenPatterns of utilizationHIV-seropositiveCervical cancerSaharan AfricaTest positivityPositivity rateAIDS careScreening programMultivariable modelingSex 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 populationInfectionAttitudes Toward HIV Pre-Exposure Prophylaxis Among Men Who Have Sex with Men in Western China
Zhang Y, Peng B, She Y, Liang H, Peng HB, Qian HZ, Vermund SH, Zhong XN, Huang A. Attitudes Toward HIV Pre-Exposure Prophylaxis Among Men Who Have Sex with Men in Western China. AIDS Patient Care And STDs 2013, 27: 137-141. PMID: 23425017, PMCID: PMC3595955, DOI: 10.1089/apc.2012.0412.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnti-HIV AgentsAsian PeopleChinaHealth Knowledge, Attitudes, PracticeHIV InfectionsHomosexuality, MaleHumansLogistic ModelsMaleMultivariate AnalysisPatient Acceptance of Health CareSexual PartnersSexually Transmitted DiseasesSocioeconomic FactorsSurveys and QuestionnairesYoung AdultConceptsPre-exposure prophylaxisHIV pre-exposure prophylaxisUse of PrEPSelf-administered questionnaireClinical trialsChinese MSMInfection historySexual partnersHIVLower educationPrEPPredictors of willingnessProphylaxisModerate awarenessMenMSMLow incomeSexModerate incomeParticipantsMore knowledgeAIDSTrialsMonths
2012
Comprehensive Knowledge of HIV among Women in Rural Mozambique: Development and Validation of the HIV Knowledge 27 Scale
Ciampa PJ, Skinner SL, Patricio SR, Rothman RL, Vermund SH, Audet CM. Comprehensive Knowledge of HIV among Women in Rural Mozambique: Development and Validation of the HIV Knowledge 27 Scale. PLOS ONE 2012, 7: e48676. PMID: 23119087, PMCID: PMC3485372, DOI: 10.1371/journal.pone.0048676.Peer-Reviewed Original ResearchPredictors of HIV and Syphilis among Men Who Have Sex with Men in a Chinese Metropolitan City: Comparison of Risks among Students and Non-Students
Zhang L, Ding X, Lu R, Feng L, Li X, Xiao Y, Ruan Y, Vermund SH, Shao Y, Qian HZ. Predictors of HIV and Syphilis among Men Who Have Sex with Men in a Chinese Metropolitan City: Comparison of Risks among Students and Non-Students. PLOS ONE 2012, 7: e37211. PMID: 22623994, PMCID: PMC3356386, DOI: 10.1371/journal.pone.0037211.Peer-Reviewed Original ResearchConceptsSyphilis infectionRisky sexual behaviorHIV prevalenceStudent MSMMultivariable logistic regression analysisSexual behaviorPredictors of HIVLow HIV prevalencePrevalence of syphilisRisk of HIVLogistic regression analysisRisk sexual behaviourLow HIVHIV infectionSyphilis prevalenceComparison of risksSyphilis testingAdjusted prevalenceHigh prevalenceHIV riskBlood specimensHIVMSM participantsMultivariate analysisSexual partners
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
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 visits[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 packagePrevalence of HIV infection and predictors for syphilis infection among female sex workers in southern China.
Lu F, Jia Y, Sun X, Wang L, Liu W, Xiao Y, Zeng G, Li C, Liu J, Cassell H, Chen HT, Vermund SH. Prevalence of HIV infection and predictors for syphilis infection among female sex workers in southern China. The Southeast Asian Journal Of Tropical Medicine And Public Health 2009, 40: 263-72. PMID: 19323011, PMCID: PMC2745968.Peer-Reviewed Original ResearchConceptsFemale sex workersInconsistent condom useSyphilis infectionHIV infectionCondom usePast monthSex workersCross-sectional studyRegular sex partnersVenue-based methodsHalf of participantsEligible participantsRisk factorsSTD symptomsPrevalence ratesDrug usersSex partnersInfectionLess educationPrevalenceMinority ethnic groupsMonthsLiuzhou CityEthnic groupsNon-local residents
2008
Risk Factors for Syphilis and Prevalence of HIV, Hepatitis B and C among Men Who Have Sex with Men in Beijing, China: Implications for HIV Prevention
Ruan Y, Luo F, Jia Y, Li X, Li Q, Liang H, Zhang X, Li D, Shi W, Freeman JM, Vermund SH, Shao Y. Risk Factors for Syphilis and Prevalence of HIV, Hepatitis B and C among Men Who Have Sex with Men in Beijing, China: Implications for HIV Prevention. AIDS And Behavior 2008, 13: 663-670. PMID: 19082879, PMCID: PMC2747785, DOI: 10.1007/s10461-008-9503-0.Peer-Reviewed Original ResearchConceptsMale sex partnersSex partnersHepatitis BHIV prevalenceLifetime male sex partnersCasual male sex partnersPrevalence of HIVUnprotected anal intercourseAlcohol-related interventionsHepatitis CSyphilis infectionCondom promotionRisk factorsHIV preventionBeijing MSMMedian numberSTD controlDrank alcoholAnal intercourseRisk behaviorsPast monthAlcohol usePrevalencePrevention effortsSyphilis
2005
Parents’/guardians’ willingness to vaccinate their children against genital herpes
Liddon N, Pulley L, Cockerham WC, Lueschen G, Vermund SH, Hook EW. Parents’/guardians’ willingness to vaccinate their children against genital herpes. Journal Of Adolescent Health 2005, 37: 187-193. PMID: 16109337, DOI: 10.1016/j.jadohealth.2005.05.030.Peer-Reviewed Original ResearchConceptsHSV-2Type 2 vaccineLogistic regression modelsParents/guardiansInfluenza shotSTD vaccinesCorrelates of intentionGenital herpesMajority of parentsVaccine acceptanceDisease vaccineVaccinationLogistic regressionOptimal timingFuture interventionsVaccineAppropriate timingSexual activityTelephone surveyChildrenParents' acceptanceInterventionOne-thirdDescriptive statisticsOverall attitudeMode of Delivery and Other Maternal Factors Influence the Acquisition of Streptococcus mutans in Infants
Li Y, Caufield PW, Dasanayake AP, Wiener HW, Vermund SH. Mode of Delivery and Other Maternal Factors Influence the Acquisition of Streptococcus mutans in Infants. Journal Of Dental Research 2005, 84: 806-811. PMID: 16109988, DOI: 10.1177/154405910508400905.Peer-Reviewed Original ResearchConceptsMode of deliveryMaternal factorsS. mutansC-section infantsMaternal gestational ageProspective cohort studyS. mutans levelsMother-infant pairsCaesarean sectionCohort studyPerinatal eventsGestational ageMutans levelsCariogenic microbiotaDental cariesPerinatal influencesInfection experienceInfantsCariesFamily incomeStreptococcus mutansMutansPotential effectsDeliveryInitial acquisition
2004
Adherence to HAART Among HIV-Infected Persons in Rural Louisiana
Mohammed H, Kieltyka L, Richardson-Alston G, Magnus M, Fawal H, Vermund SH, Rice J, Kissinger P. Adherence to HAART Among HIV-Infected Persons in Rural Louisiana. AIDS Patient Care And STDs 2004, 18: 289-296. PMID: 15186712, DOI: 10.1089/108729104323076025.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntiretroviral Therapy, Highly ActiveBlack or African AmericanDepressive DisorderEducational StatusEmploymentHealth BehaviorHealth Knowledge, Attitudes, PracticeHumansIncomeLogistic ModelsLouisianaMarital StatusMiddle AgedMotivationMultivariate AnalysisPatient ComplianceRisk FactorsRural HealthSeverity of Illness IndexSubstance-Related DisordersSurveys and QuestionnairesConceptsIllicit drug useOdds ratioDrug useProblem drinkingActive antiretroviral therapyLogistic regression analysisBehavioral factorsLack of adherenceAntiretroviral therapyHIV clinicMultivariable analysisMean ageHAART medicationNonadherenceAdherence informationHAARTPrior monthPast weekPatientsConvenience sampleMedicationsAdherenceHIVRegression analysisAfrican Americans