2024
Assessing Direct and Spillover Effects of Intervention Packages in Network-randomized Studies
Buchanan A, Hernández-Ramírez R, Lok J, Vermund S, Friedman S, Forastiere L, Spiegelman D. Assessing Direct and Spillover Effects of Intervention Packages in Network-randomized Studies. Epidemiology 2024, 35: 481-488. PMID: 38709023, DOI: 10.1097/ede.0000000000001742.Peer-Reviewed Original ResearchIntervention packageEffectiveness of interventional packageImprove intervention deliveryPeer education interventionHIV prevention trialsPeer educator trainingMarginal structural modelsPublic health impactHIV risk behaviorsIntervention deliveryIntervention NetworkEducational interventionParticipant visitsPrevention trialsFollow-up visitRisk behaviorsHealth impactsInterventionEducational trainingParticipantsSpillover effectsVisitsHIVExposed networksPeer
2023
Comparative Effectiveness of Bivalent (Original/Omicron BA.4/BA.5) COVID-19 Vaccines in Adults
Kopel H, Nguyen V, Boileau C, Bogdanov A, Winer I, Ducruet T, Zeng N, Bonafede M, Esposito D, Martin D, Rosen A, Van de Velde N, Vermund S, Gravenstein S, Mansi J. Comparative Effectiveness of Bivalent (Original/Omicron BA.4/BA.5) COVID-19 Vaccines in Adults. Vaccines 2023, 11: 1711. PMID: 38006043, PMCID: PMC10675676, DOI: 10.3390/vaccines11111711.Peer-Reviewed Original ResearchCOVID-19-related hospitalizationRelative vaccine effectivenessOutpatient visitsPrimary care electronic health recordsCOVID-19-related outcomesVaccine-induced protectionMedical claims dataCOVID-19 vaccineSARS-CoV-2Electronic health recordsVaccine effectivenessVaccine recipientsMRNA vaccinesBivalent vaccineBaseline differencesStudy populationClaims dataOmicron variantComparative effectivenessHospitalizationPropensity scoreVaccineOlder adultsHealth recordsVisitsBrief Report: How Do We Reach Men? Offering HIV Testing in Evenings and Weekends in the HPTN 071 (PopART) Community-Based Trial in South Africa
Yang B, Sloot R, Floyd S, Awoniyi D, Griffith S, Ayles H, Fidler S, Hayes R, Vermund S, Bock P, team H. Brief Report: How Do We Reach Men? Offering HIV Testing in Evenings and Weekends in the HPTN 071 (PopART) Community-Based Trial in South Africa. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2023, 93: 300-304. PMID: 37001128, PMCID: PMC10313787, DOI: 10.1097/qai.0000000000003197.Peer-Reviewed Original ResearchConceptsHIV testingHousehold visitsWeekday shiftsNumber of menCommunity HIV care providersCommunity-based HIV testingHIV care providersHPTN 071 (PopART) trialUnknown HIV statusHigh-burden settingsAntiretroviral treatment coverageCommunity-based trialHigh-risk behaviorsCommunity-based servicesPopART interventionHIV statusHIV epidemicTreatment coverageCare providersLinear regression analysisStudy questionnaireMore menRecruitment of menVisitsWomen
2010
An Empirical Approach to Defining Loss to Follow-up Among Patients Enrolled in Antiretroviral Treatment Programs
Chi BH, Cantrell RA, Mwango A, Westfall AO, Mutale W, Limbada M, Mulenga LB, Vermund SH, Stringer JS. An Empirical Approach to Defining Loss to Follow-up Among Patients Enrolled in Antiretroviral Treatment Programs. American Journal Of Epidemiology 2010, 171: 924-931. PMID: 20219765, PMCID: PMC2850972, DOI: 10.1093/aje/kwq008.Peer-Reviewed Original ResearchConceptsAntiretroviral therapyHIV-infected adultsAntiretroviral treatment programLTFU definitionTreatment cohortsPatient attritionLast appointmentPatient lossCohort membersLTFUConsensus criteriaTreatment programPatientsOne-thirdMore reliable comparisonsDaysAppointmentsTherapyCohortCliniciansMisclassificationMarginal differencesVisitsCare
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 adolescentsDouchingAdolescentsInfectionRiskImmunodeficiencyIncidenceDo Targeted HIV Programs Improve Overall Care for Pregnant Women?
Potter D, Goldenberg RL, Chao A, Sinkala M, Degroot A, Stringer JS, Bulterys M, Vermund SH. Do Targeted HIV Programs Improve Overall Care for Pregnant Women? JAIDS Journal Of Acquired Immune Deficiency Syndromes 2008, 47: 79-85. PMID: 17984757, PMCID: PMC2745056, DOI: 10.1097/qai.0b013e31815d2f71.Peer-Reviewed Original ResearchConceptsPrevalence odds ratiosHIV programsPMTCT programme implementationChild HIV transmissionPrevention of motherConfidence intervalsRoutine clinical servicesDisease-specific researchHealth policy makersAntenatal clinicSyphilis treatmentHIV transmissionPregnant womenOverall careOdds ratioFirst visitCare impactClinical servicesService programsImplementation of researchScreeningProgram implementationClinicVisitsCare
1992
Follow-up evaluation of cervicovaginal human papillomavirus infection in adolescents
Rosenfeld W, Rose E, Vermund S, Schreiber K, Burk R. Follow-up evaluation of cervicovaginal human papillomavirus infection in adolescents. The Journal Of Pediatrics 1992, 121: 307-311. PMID: 1322456, DOI: 10.1016/s0022-3476(05)81212-0.Peer-Reviewed Original ResearchConceptsHPV infectionCervicovaginal human papillomavirus infectionGenotype-specific HPV infectionPositive HPV test resultHPV test resultsHuman papillomavirus infectionSame HPV typeHPV DNA detectionHuman papillomavirus DNAUrban teaching hospitalCervicovaginal lavagePapillomavirus infectionHPV typesFemale patientsTeaching hospitalPapillomavirus DNASecond examinationSecond visitPatientsInfectionVisitsHPVSouthern blot hybridizationBlot hybridizationDNA detection