2023
Validation of the Vaccination Trust Indicator (VTI) in a multi-country survey of adult vaccination attitudes
Ellingson M, Omer S, Sevdalis N, Thomson A. Validation of the Vaccination Trust Indicator (VTI) in a multi-country survey of adult vaccination attitudes. PLOS Global Public Health 2023, 3: e0001820. PMID: 37043441, PMCID: PMC10096184, DOI: 10.1371/journal.pgph.0001820.Peer-Reviewed Original ResearchVaccine receiptAdult vaccinationInfluenza vaccineVaccination attitudesVTI scoreVaccine attitudesTetanus toxoid-containing vaccinesInfluenza vaccine receiptLow vaccine uptakeSeasonal influenza vaccineStrong associationMultivariable logistic regressionSelf-reported receiptGeneral vaccine attitudesGeneral vaccination attitudesTen-point increaseVaccine uptakeFlu vaccineImmunization programsImmunization attitudesVaccine hesitancyInfectious diseasesLogistic regressionVaccineSix-item measure
2022
Multi-tiered intervention to increase maternal immunization coverage: A randomized, controlled trial
Omer SB, O'Leary ST, Bednarczyk RA, Ellingson MK, Spina CI, Dudley MZ, Chamberlain AT, Limaye RJ, Brewer SE, Frew PM, Malik FA, Orenstein W, Halsey N, Ault K, Salmon DA. Multi-tiered intervention to increase maternal immunization coverage: A randomized, controlled trial. Vaccine 2022, 40: 4955-4963. PMID: 35817646, DOI: 10.1016/j.vaccine.2022.06.055.Peer-Reviewed Original ResearchConceptsPatient-level interventionsVaccine uptakeStudy armsInfluenza vaccineLow vaccine confidenceInfluenza vaccine uptakeAcellular pertussis vaccinePatient-level barriersProvider-level interventionsEvidence-based interventionsAcellular pertussisPertussis vaccinePrimary outcomeCare clinicsPregnant womenMulti-component intervention packageControl armImmunization uptakeObstetric practiceImmunization coverageSample sizeVaccine confidenceFinal sample sizeControl groupTargeted interventions
2021
Vaccine package inserts and prescribing habits of obstetricians-gynecologists for maternal vaccination
Saini J, Ellingson MK, Beigi RH, MacDonald NE, Top KA, Carroll S, Omer SB. Vaccine package inserts and prescribing habits of obstetricians-gynecologists for maternal vaccination. Human Vaccines & Immunotherapeutics 2021, 17: 3761-3770. PMID: 34236947, PMCID: PMC8437486, DOI: 10.1080/21645515.2021.1942714.Peer-Reviewed Original ResearchConceptsVaccine package insertsLactation Labeling RulePackage insertsMaternal vaccinationPregnant womenProvider recommendationDrug Administration (FDA) package insertAcellular pertussis vaccineEffectiveness of vaccinesCurrent clinical practiceCross-sectional surveyInfluenza vaccinePertussis vaccineVaccine uptakeGynecologists FellowsAmerican CollegeClinical practicePregnancyMost providersVaccineVaccinationWeighted sampleTwo-thirdsWomenLabeling rulesInfluenza Vaccination Rates Among Patients With a History of Cancer: Analysis of the National Health Interview Survey
Chang A, Ellingson M, Flowers C, Bednarczyk R. Influenza Vaccination Rates Among Patients With a History of Cancer: Analysis of the National Health Interview Survey. Open Forum Infectious Diseases 2021, 8: ofab198. PMID: 34322565, PMCID: PMC8312520, DOI: 10.1093/ofid/ofab198.Peer-Reviewed Original ResearchNational Health Interview SurveyInfluenza vaccination ratesVaccination ratesHealth Interview SurveyHematological malignanciesSolid tumorsCancer typesAnnual influenza vaccinationInterview SurveySelf-reported cancerHistory of cancerYears of ageInfluenza vaccinationInfluenza vaccineVaccine complianceVaccine uptakeDifferent cancer typesUninsured patientsCancerDisease controlPatientsMalignancyCancer diagnosisTumorsDiagnosisRacial/Ethnic Disparities in Maternal Vaccine Knowledge, Attitudes, and Intentions
Dudley MZ, Limaye RJ, Salmon DA, Omer SB, O’Leary S, Ellingson MK, Spina CI, Brewer SE, Bednarczyk RA, Malik F, Frew PM, Chamberlain AT. Racial/Ethnic Disparities in Maternal Vaccine Knowledge, Attitudes, and Intentions. Public Health Reports 2021, 136: 699-709. PMID: 33508208, PMCID: PMC8579395, DOI: 10.1177/0033354920974660.Peer-Reviewed Original ResearchConceptsRace/ethnicityInfant vaccinesVaccine knowledgeVaccine acceptanceOdds ratioWhite womenMaternal influenza vaccineAcellular pertussis vaccinePregnant women's knowledgeRacial/Ethnic DisparitiesVaccine-preventable diseasesMultiple logistic regressionPrenatal care practicesHealth care providersPublic health authoritiesDifferent races/ethnicitiesMaternal tetanusMaternal vaccinesInfluenza vaccinePertussis vaccinePregnant womenVaccine safetyVaccine informationVaccine decisionsCare providers
2020
Factors associated with referring close contacts to an app with individually-tailored vaccine information
Dudley MZ, Limaye RJ, Omer SB, O'Leary ST, Ellingson MK, Spina CI, Brewer SE, Chamberlain AT, Bednarczyk RA, Malik F, Frew PM, Salmon DA. Factors associated with referring close contacts to an app with individually-tailored vaccine information. Vaccine 2020, 38: 2827-2832. PMID: 32098739, PMCID: PMC10690757, DOI: 10.1016/j.vaccine.2020.02.019.Peer-Reviewed Original ResearchConceptsMaternal influenza vaccineVaccine informationCocooning strategyInfluenza vaccinePregnant womenVaccine intentionsSeverity of influenzaPrenatal care practicesTdap vaccineInfant vaccinesPertussis infectionVaccine coverageVaccine educationMost referralsVaccine confidenceCare practicesVaccineDisease controlVulnerable timeWomenNational InstituteInfantsInfluenzaFamily membersClose contact