2024
Reflections on inductive thematic saturation as a potential metric for measuring the validity of an inductive thematic analysis with LLMs
De Paoli S, Mathis W. Reflections on inductive thematic saturation as a potential metric for measuring the validity of an inductive thematic analysis with LLMs. Quality & Quantity 2024, 1-27. DOI: 10.1007/s11135-024-01950-6.Peer-Reviewed Original ResearchInductive thematic analysis of healthcare qualitative interviews using open-source large language models: How does it compare to traditional methods?
Mathis W, Zhao S, Pratt N, Weleff J, De Paoli S. Inductive thematic analysis of healthcare qualitative interviews using open-source large language models: How does it compare to traditional methods? Computer Methods And Programs In Biomedicine 2024, 255: 108356. PMID: 39067136, DOI: 10.1016/j.cmpb.2024.108356.Peer-Reviewed Original ResearchLanguage modelThematic analysisInductive thematic analysisQualitative thematic analysisGenerative artificial intelligenceSemi-structured interviewsLocal hardwareArtificial intelligenceHealth informationReal worldPsychiatric settingsHuman codingQualitative interviewsQualitative dataEvaluation methodologyQuantify similarityRobust themesThemesResearch settingsTraditional methodsEngineering techniquesInterviewsEvaluation methodQualitative researchCorpus of interviewsTimelinePTC: Development of a unified interface for pathways to care collection, visualization, and collaboration in first episode psychosis
Mathis W, Ferrara M, Cahill J, Karmani S, Tayfur S, Srihari V. TimelinePTC: Development of a unified interface for pathways to care collection, visualization, and collaboration in first episode psychosis. PLOS ONE 2024, 19: e0302116. PMID: 39028697, PMCID: PMC11259254, DOI: 10.1371/journal.pone.0302116.Peer-Reviewed Original ResearchConceptsPathways to CareDuration of untreated psychosisManual transcription errorsDevelopment of targeted interventionsReduce duration of untreated psychosisHealthcare accessibility researchReal-time data entryImprove patient outcomesEpisode psychosisCare pathwaysPatient journeyHealthcare contextPatient outcomesPaper-basedConversion of collected dataFEP treatmentData collection processNew HavenData collection methodsData entryTranscription errorsUntreated psychosisOpen-source codebaseData collectionWeb-based toolEmpirically-derived, locally responsive travel time thresholds for optimal geographic supermarket access using national commuting data
Mathis W, Kahn P, Tang S, Berenbrok L, Hernandez I. Empirically-derived, locally responsive travel time thresholds for optimal geographic supermarket access using national commuting data. Journal Of Transport Geography 2024, 118: 103945. DOI: 10.1016/j.jtrangeo.2024.103945.Peer-Reviewed Original ResearchTravel time thresholdFood access researchRural blockSpatial accessibilityNew York CitySparsely populated regionsCommuting dataCensus tractsGeographic accessFood accessSupermarket accessCommunity resourcesUrban centersLos AngelesYork CityAccessibility researchUrban blocksUnited StatesRegional differencesRegion of northern CaliforniaUS DepartmentAccessCensusMethodological advancesGreat PlainsRacial and ethnic inequities in spatial access to pharmacies: A geographic information system analysis
Appolon G, Tang S, Gabriel N, Morales J, Berenbrok L, LaCroix A, Guo J, Mathis W, Hernandez I. Racial and ethnic inequities in spatial access to pharmacies: A geographic information system analysis. Journal Of The American Pharmacists Association 2024, 64: 102131. PMID: 38796160, DOI: 10.1016/j.japh.2024.102131.Peer-Reviewed Original ResearchRural-urban continuumPharmacy accessRacial/ethnic inequalitiesWhite individualsRacial/ethnic groupsSpatial accessibilityArea Deprivation IndexRural areasCensus block levelLogistic regression modelsDeprivation indexHealthcare accessHealthcare providersCommunity pharmacistsRural countiesCommunity pharmaciesCensus tractsUrban countiesResearch Triangle InstituteSuburban areasEthnic inequalitiesRacial/ethnic compositionUS regionsRural communitiesPharmacyUnderstanding Barriers and Facilitators of Primary Care Use Among Assertive Community Treatment Teams Via Qualitative Analysis of Clients and Clinicians
Zhao S, Mathis W. Understanding Barriers and Facilitators of Primary Care Use Among Assertive Community Treatment Teams Via Qualitative Analysis of Clients and Clinicians. Community Mental Health Journal 2024, 60: 1271-1282. PMID: 38702559, DOI: 10.1007/s10597-024-01284-5.Peer-Reviewed Original ResearchAssertive community treatmentPrimary care accessSevere mental illnessPrimary careCare accessMental illnessMental healthPrimary care providers' communicationPrioritization of mental healthImproving primary care accessCommunity mental health centerAssertive community treatment teamsSemi-structured qualitative interviewsReduce health disparitiesAssertive community treatment clientsPrimary care useMental health centerProvider communicationHealth disparitiesCare useSubstance use symptomsUnderstanding barriersMultifaceted barriersHealth centersSubstance use disordersAccessibility of Pulmonary Rehabilitation in the US
Kahn P, Mathis W. Accessibility of Pulmonary Rehabilitation in the US. JAMA Network Open 2024, 7: e2354867. PMID: 38315487, PMCID: PMC10844999, DOI: 10.1001/jamanetworkopen.2023.54867.Peer-Reviewed Original Research
2023
Disparities in travel time to liver transplantation centers in the United States
Ying X, Mathis W, Kahn P, Jesudian A, Fortune B, Brown R. Disparities in travel time to liver transplantation centers in the United States. Liver Transplantation 2023, 30: 326-330. PMID: 37796186, DOI: 10.1097/lvt.0000000000000280.Peer-Reviewed Original ResearchRole of independent versus chain pharmacies in providing pharmacy access: a nationwide, individual-level geographic information systems analysis
Hernandez I, Tang S, Morales J, Gabriel N, Patel N, Mathis W, Guo J, Berenbrok L. Role of independent versus chain pharmacies in providing pharmacy access: a nationwide, individual-level geographic information systems analysis. Health Affairs Scholar 2023, 1: qxad003. PMID: 37750164, PMCID: PMC10519705, DOI: 10.1093/haschl/qxad003.Peer-Reviewed Original ResearchMapping Heat Vulnerability of a Community Mental Health Center Population
Dumont C, Mathis W. Mapping Heat Vulnerability of a Community Mental Health Center Population. Community Mental Health Journal 2023, 59: 1330-1340. PMID: 37014585, DOI: 10.1007/s10597-023-01119-9.Peer-Reviewed Original ResearchConceptsMental health centersCommunity mental health centerHealth centersPatient prevalenceConnecticut Mental Health CenterHealth center populationSerious mental illnessCensus tractsMental illnessCenter populationGeocoded addressesPrevalenceStatistical significanceHeat vulnerability indexTractScoresHeat vulnerabilityNew HavenIndividualsIllnessCenterAvailability and Accessibility of Live Nonreplicating Smallpox/Mpox Vaccine
Kahn P, Ying X, Virata M, Magahis P, Li S, Mathis W. Availability and Accessibility of Live Nonreplicating Smallpox/Mpox Vaccine. JAMA Network Open 2023, 6: e237873. PMID: 37027158, PMCID: PMC10082399, DOI: 10.1001/jamanetworkopen.2023.7873.Peer-Reviewed Original ResearchTravel Times to Facilities Offering Oral Medication Therapy for COVID-19
Kahn P, Ying X, Mathis W. Travel Times to Facilities Offering Oral Medication Therapy for COVID-19. JAMA Network Open 2023, 6: e2249810. PMID: 36595298, PMCID: PMC9857170, DOI: 10.1001/jamanetworkopen.2022.49810.Peer-Reviewed Original Research
2022
Granular analysis of pathways to care and durations of untreated psychosis: A marginal delay model
Mathis W, Ferrara M, Burke S, Hyun E, Li F, Zhou B, Cahill J, Kline E, Keshavan M, Srihari V. Granular analysis of pathways to care and durations of untreated psychosis: A marginal delay model. PLOS ONE 2022, 17: e0270234. PMID: 36472968, PMCID: PMC9725156, DOI: 10.1371/journal.pone.0270234.Peer-Reviewed Original ResearchUntreated psychosisAntipsychotic prescriptionsEarly detection campaignsPatient characteristics influencesEarly detection effortsPatient characteristicsClinical nodesLonger DUPFunctional declineOutpatient programPsychosis onsetSpecialized treatmentPsychosisNumber of daysDetection campaignsNetworks of careHigh functioningPrescriptionEnrollmentPTCDurationStart datePharmacy deserts: More than where pharmacies are
Ying X, Kahn P, Mathis WS. Pharmacy deserts: More than where pharmacies are. Journal Of The American Pharmacists Association 2022, 62: 1875-1879. PMID: 35953379, DOI: 10.1016/j.japh.2022.06.016.Peer-Reviewed Original ResearchNavigating the digital divide: providing services to people with serious mental illness in a community setting during COVID-19.
Noori S, Jordan A, Bromage W, Fineberg S, Cahill J, Mathis WS. Navigating the digital divide: providing services to people with serious mental illness in a community setting during COVID-19. SN Social Sciences 2022, 2: 160. PMID: 35971454, PMCID: PMC9368693, DOI: 10.1007/s43545-022-00470-0.Peer-Reviewed Original ResearchCorrigendum to: Reducing the Duration of Untreated Psychosis (DUP) in a US Community: A Quasi-Experimental Trial
Srihari V, Ferrara M, Li F, Kline E, Gülöksüz S, Pollard J, Cahill J, Mathis W, Sykes L, Walsh B, McDermott G, Seidman L, Gueorguieva R, Woods S, Tek C, Keshavan M. Corrigendum to: Reducing the Duration of Untreated Psychosis (DUP) in a US Community: A Quasi-Experimental Trial. Schizophrenia Bulletin Open 2022, 3: sgac020. PMID: 39144776, PMCID: PMC11206056, DOI: 10.1093/schizbullopen/sgac020.Peer-Reviewed Original ResearchReducing the Duration of Untreated Psychosis (DUP) in a US Community: A Quasi-Experimental Trial
Srihari VH, Ferrara M, Li F, Kline E, Gülöksüz S, Pollard JM, Cahill JD, Mathis WS, Sykes L, Walsh BC, McDermott G, Seidman LJ, Gueorguieva R, Woods SW, Tek C, Keshavan MS. Reducing the Duration of Untreated Psychosis (DUP) in a US Community: A Quasi-Experimental Trial. Schizophrenia Bulletin Open 2022, 3: sgab057. PMID: 35295656, PMCID: PMC8919192, DOI: 10.1093/schizbullopen/sgab057.Peer-Reviewed Original ResearchUntreated psychosisUS communitiesEarly detection campaignsFirst-episode servicesEffectiveness of careNumber of referralsQuasi-experimental trialEarly detection effortsOutcome measuresPsychosis onsetSecond quartileRapid enrollmentThird quartileQuartilePrEPDUPDetection campaignsDetection effortsReferralPsychosisU.S. communitiesTrialsAMPFESDurationImpact of a Medical Clinic Relocation on Travel Time: A Tale of 2 Modes of Transportation
Kahn P, Ying X, Li S, Mathis W. Impact of a Medical Clinic Relocation on Travel Time: A Tale of 2 Modes of Transportation. Journal Of Patient Experience 2022, 9: 23743735221143960. PMID: 36504508, PMCID: PMC9732793, DOI: 10.1177/23743735221143960.Peer-Reviewed Original Research
2021
Workforce Development in Public Psychiatry: Impact of the Yale Fellowship
Steiner JL, Mathis WS, Sebastian DD, Wasser TD. Workforce Development in Public Psychiatry: Impact of the Yale Fellowship. Academic Psychiatry 2021, 46: 515-518. PMID: 34545549, DOI: 10.1007/s40596-021-01534-8.Peer-Reviewed Original ResearchFirst help-seeking attempt before and after psychosis onset: measures of delay and aversive pathways to care
Ferrara M, Guloksuz S, Mathis WS, Li F, Lin IH, Syed S, Gallagher K, Shah J, Kline E, Tek C, Keshavan M, Srihari VH. First help-seeking attempt before and after psychosis onset: measures of delay and aversive pathways to care. Social Psychiatry And Psychiatric Epidemiology 2021, 56: 1359-1369. PMID: 33948678, PMCID: PMC8319102, DOI: 10.1007/s00127-021-02090-0.Peer-Reviewed Original ResearchConceptsPsychosis onsetNon-affective psychosisPsychosis risk syndromeEarly detection effortsAversive eventsAversive pathwaysProdromal sampleClinical characteristicsAntipsychotic treatmentEffective treatmentSociodemographic characteristicsSpecialized treatmentPsychosisProdromeOnsetTreatmentStructured interviewsOverall functioningFamily membersMeasures of delayEpisodesNew HavenSemi-structured interviewsHelp seekersPathway