2025
Factors Associated with Influenza Vaccination in a National Veteran Cohort
Chen A, Farmer M, Han L, Runels T, Bade B, Crothers K, Bastian L, Bazan I, Bean-Mayberry B, Brandt C, Akgün K. Factors Associated with Influenza Vaccination in a National Veteran Cohort. AJPM Focus 2025, 4: 100290. DOI: 10.1016/j.focus.2024.100290.Peer-Reviewed Original ResearchOdds of vaccinationInfluenza vaccineFemale veteransAmerican Indian/Alaskan Native raceFactors associated with influenza vaccinationReceipt of influenza vaccinationDocumenting influenza vaccinationReduced oddsRetrospective cohort studyElectronic health record dataMale veteransHealth record dataAmbulatory care utilizationInfluenza seasonRuralMale sexWhite male veteransWhite veteransAssociated with raceCohort studyBlack veteransBlack raceEthnic groupsRacial disparitiesInfluenza
2024
Impact of complementary health approaches on opioid prescriptions among veterans with musculoskeletal disorders – A retrospective cohort study
Han L, Goulet J, Skanderson M, Redd D, Brandt C, Zeng-Treitler Q. Impact of complementary health approaches on opioid prescriptions among veterans with musculoskeletal disorders – A retrospective cohort study. Journal Of Pain 2024, 26: 104695. PMID: 39384145, DOI: 10.1016/j.jpain.2024.104695.Peer-Reviewed Original ResearchIntegrative health approachesHealth approachOpioid prescriptionsMusculoskeletal disordersAdministration electronic health recordComplementary health approachesPrimary care visitsElectronic health recordsPharmacy dispensing recordsCIH approachesCare visitsDispensed opioid prescriptionsHealth recordsRetrospective cohort studyDispensing recordsPatient's painAnalytic sampleIndex diagnosisExposure groupCohort studyVeteransOpioid initiationQuasi-experimental investigationCIHPrescription
2023
Insomnia and Early Incident Atrial Fibrillation: A 16‐Year Cohort Study of Younger Men and Women Veterans
Gaffey A, Rosman L, Lampert R, Yaggi H, Haskell S, Brandt C, Enriquez A, Mazzella A, Skanderson M, Burg M. Insomnia and Early Incident Atrial Fibrillation: A 16‐Year Cohort Study of Younger Men and Women Veterans. Journal Of The American Heart Association 2023, 12: e030331. PMID: 37791503, PMCID: PMC10757545, DOI: 10.1161/jaha.123.030331.Peer-Reviewed Original ResearchConceptsObstructive sleep apneaIncident atrial fibrillationAtrial fibrillationHealth care utilizationSleep apneaAF onsetCohort studyCare utilizationAF riskMultivariate Cox proportional hazards modelVeterans Health Administration (VHA) careRisk of AFCox proportional hazards modelCases of AFEarly cardiovascular riskIncident AF riskAssociation of insomniaProportional hazards modelCommon sleep disorderPost-9/11 veteransElectronic health recordsAF incidenceCardiovascular riskClinical comorbiditiesLifestyle factorsExtracting Pain Care Quality Indicators from U.S. Veterans Health Administration Chiropractic Care Using Natural Language Processing
Coleman B, Finch D, Wang R, Luther S, Heapy A, Brandt C, Lisi A. Extracting Pain Care Quality Indicators from U.S. Veterans Health Administration Chiropractic Care Using Natural Language Processing. Applied Clinical Informatics 2023, 14: 600-608. PMID: 37164327, PMCID: PMC10411229, DOI: 10.1055/a-2091-1162.Peer-Reviewed Original ResearchConceptsCare quality indicatorsVeterans Health AdministrationVisit typePain assessmentChiropractic careConsultation visitCare qualityClinic visit typePain care qualityComprehensive pain assessmentWomen Veterans Cohort StudyCare visitsCohort studyMusculoskeletal painManagement visitsVisit notesHealth AdministrationConsultation notesChiropractic servicesVisitsQuality indicatorsMean numberTreatment planningPatientsDescriptive statisticsOpioid use and opioid use disorder in mono and dual-system users of veteran affairs medical centers
Goulet J, Cheng Y, Becker W, Brandt C, Sandbrink F, Workman T, Ma P, Libin A, Shara N, Spevak C, Kupersmith J, Zeng-Treitler Q. Opioid use and opioid use disorder in mono and dual-system users of veteran affairs medical centers. Frontiers In Public Health 2023, 11: 1148189. PMID: 37124766, PMCID: PMC10141670, DOI: 10.3389/fpubh.2023.1148189.Peer-Reviewed Original ResearchConceptsOpioid use disorderNew opioid prescriptionsOpioid prescriptionsOUD diagnosisVA careUse disordersPrevalence of OUDVeterans Affairs Medical CenterGuideline-concordant careRetrospective cohort studyMultivariate logistic regressionNon-VA sourcesVeterans Administration dataCommunity care servicesPrescription sourceUS healthcare systemOpioid medicationsOpioid useCohort studyConcordant careActive patientsVA cliniciansIntra-class correlationMedical CenterWhite raceRacial, Ethnic, and Rural Disparities in U.S. Veteran COVID-19 Vaccine Rates
Bernstein E, DeRycke E, Han L, Farmer M, Bastian L, Bean-Mayberry B, Bade B, Brandt C, Crothers K, Skanderson M, Ruser C, Spelman J, Bazan I, Justice A, Rentsch C, Akgün K. Racial, Ethnic, and Rural Disparities in U.S. Veteran COVID-19 Vaccine Rates. AJPM Focus 2023, 2: 100094. PMID: 37362395, PMCID: PMC10038675, DOI: 10.1016/j.focus.2023.100094.Peer-Reviewed Original ResearchRace/ethnicity groupsFirst vaccinationFirst COVID-19 vaccinationVeterans AffairsWhite veteransCharlson Comorbidity IndexRetrospective cohort studyPrimary care visitsEthnicity groupsCOVID-19 vaccinationLarge healthcare systemEquitable vaccine distributionAsian Americans/Pacific IslandersRace/ethnicityUnvaccinated patientsComorbidity indexInfluenza vaccinationSelf-reported categoriesBlack groupCare visitsCohort studyHazard ratioPrimary outcomeWhite patientsBlack patientsAssessing the contributions of modifiable risk factors to serious falls and fragility fractures among older persons living with HIV
Womack J, Murphy T, Leo‐Summers L, Bates J, Jarad S, Gill T, Hsieh E, Rodriguez‐Barradas M, Tien P, Yin M, Brandt C, Justice A. Assessing the contributions of modifiable risk factors to serious falls and fragility fractures among older persons living with HIV. Journal Of The American Geriatrics Society 2023, 71: 1891-1901. PMID: 36912153, PMCID: PMC10258163, DOI: 10.1111/jgs.18304.Peer-Reviewed Original ResearchConceptsModifiable risk factorsFragility fracturesRisk factorsAlcohol use disorderSerious fallsPhysiologic frailtyAntiretroviral therapyOlder PWHUse disordersVeterans Aging Cohort StudyMeasures of multimorbidityAging Cohort StudyBody mass indexMultivariable logistic modelAverage attributable fractionSuccessful prevention programsKey risk factorsOpioid prescriptionsCohort studyMass indexModifiable factorsSixth decadeAttributable fractionElevated riskICD9 codes
2022
Post-9/11 deployment history and the incidence of breast cancer among women veterans
Gaffey A, Han L, Ramsey C, Skanderson M, Dziura J, Driscoll M, Burg M, Brandt C, Bastian L, Haskell S. Post-9/11 deployment history and the incidence of breast cancer among women veterans. Annals Of Epidemiology 2022, 77: 98-102. PMID: 36470323, DOI: 10.1016/j.annepidem.2022.11.010.Peer-Reviewed Original ResearchConceptsOEF/OIF deploymentBreast cancerWomen veteransHealthcare utilizationHormone replacement therapy useRetrospective cohort studyVeterans Affairs (VA) careHealthy soldier effectOEF/OIFCohort studyTherapy useBC incidenceHormonal contraceptivesLifestyle factorsPrimary careBC diagnosisLower incidenceOperations Enduring Freedom/Iraqi FreedomWomenIncidenceGreater likelihoodIraqi FreedomVeteransCancerCare
2016
Natural Language Processing for Understanding Contraceptive Use at the VA
Scotch M, Brandt C, Leung S, Womack J. Natural Language Processing for Understanding Contraceptive Use at the VA. Annals Of Information Systems 2016, 19: 249-259. DOI: 10.1007/978-3-319-23294-2_12.Peer-Reviewed Original ResearchSelf-reported contraceptive useWomen Veterans Cohort StudyElectronic health recordsContraceptive useFemale veteransRetrospective chart reviewVA electronic health recordHealthcare facilitiesChart reviewCohort studyPharmacy recordsMedical recordsDrug FileContraceptive informationPatientsContraceptivesHealth recordsGold standardPermanent methodsNatural language processing pipelineVeteransCareAdditional researchLanguage processing pipelineVA
2010
A comparison of two approaches to text processing: facilitating chart reviews of radiology reports in electronic medical records.
Womack JA, Scotch M, Gibert C, Chapman W, Yin M, Justice AC, Brandt C. A comparison of two approaches to text processing: facilitating chart reviews of radiology reports in electronic medical records. Perspectives In Health Information Management Is 2010, 7: 1a. PMID: 21063542, PMCID: PMC2966352.Peer-Reviewed Original Research