Christopher Morrison
Associate Professor of Epidemiology (Chronic Diseases)Cards
About
Research
Publications
Featured Publications
Defining Spatial Epidemiology: A Systematic Review and Re-orientation
Morrison C, Mair C, Bates L, Duncan D, Branas C, Bushover B, Mehranbod C, Gobaud A, Uong S, Forrest S, Roberts L, Rundle A. Defining Spatial Epidemiology: A Systematic Review and Re-orientation. Epidemiology 2024, 35: 542-555. PMID: 38534176, PMCID: PMC11196201, DOI: 10.1097/ede.0000000000001738.Peer-Reviewed Original ResearchConceptsSubfield of epidemiologyAnalytical ecological studySystematic reviewSpatial epidemiologyRisk Factors StudySystematic review of studiesCausal inferenceDescriptive epidemiologyExcluded articlesReview of studiesDescriptive studyEcological studiesIntervention studiesInclusion criteriaDemonstration studyContemporary epidemiologyEpidemiologyAnalytical studyInterventionUnits of analysisStatisticallyPubMedCurrent focusReviewStudyChanges in Shooting Incidence in Philadelphia, Pennsylvania, Between March and November 2020
Beard J, Jacoby S, Maher Z, Dong B, Kaufman E, Goldberg A, Morrison C. Changes in Shooting Incidence in Philadelphia, Pennsylvania, Between March and November 2020. JAMA: The Journal Of The American Medical Association 2021, 325: 1327-1328. PMID: 33566087, PMCID: PMC7876621, DOI: 10.1001/jama.2021.1534.Peer-Reviewed Original ResearchRide-Hailing and Road Traffic Crashes: A Critical Review
Morrison C, Kirk D, Brazil N, Humphreys D. Ride-Hailing and Road Traffic Crashes: A Critical Review. American Journal Of Epidemiology 2022, 191: 751-758. PMID: 35179205, PMCID: PMC9431654, DOI: 10.1093/aje/kwac033.Peer-Reviewed Original ResearchConceptsRoad traffic crash injuriesRide-hailingTraffic crash injuriesCrash injuriesRoad-user typeRide-hailing businessVehicular traffic flowHeterogeneous impactsRoad traffic crashesTraffic flowTraffic crashesSource of moderationRoad trafficTraffic useWell-developed theoryRoadCrashesInnovative solutionsMixed resultsEvent-level characteristicsHuman mobilityMethodological challengesTheoretical modelLyftBusinessThe enduring impact of historical and structural racism on urban violence in Philadelphia
Jacoby S, Dong B, Beard J, Wiebe D, Morrison C. The enduring impact of historical and structural racism on urban violence in Philadelphia. Social Science & Medicine 2017, 199: 87-95. PMID: 28579093, PMCID: PMC7437144, DOI: 10.1016/j.socscimed.2017.05.038.Peer-Reviewed Original ResearchConceptsHome Owners’ Loan CorporationViolent crimeEmpirical spatial analysisHistorical census dataHome Owners' Loan Corporation mapsPublic health approachSocio-ecological contextInformal housingUrban violenceBlack residentsSocio-demographic factorsEconomic developmentMortgage lendingCensus dataFirearm assaultsStructural racismCrimeRacial discriminationViolencePhysical placeEvidence of declineHealth approachFirearm injury ratesHistorical perspectiveUndesired populationAssessing the Gun Violence Archive as an Epidemiologic Data Source for Community Firearm Violence in 4 US Cities
Gobaud A, Mehranbod C, Kaufman E, Jay J, Beard J, Jacoby S, Branas C, Bushover B, Morrison C. Assessing the Gun Violence Archive as an Epidemiologic Data Source for Community Firearm Violence in 4 US Cities. JAMA Network Open 2023, 6: e2316545. PMID: 37266937, PMCID: PMC10238941, DOI: 10.1001/jamanetworkopen.2023.16545.Peer-Reviewed Original ResearchConceptsGun Violence ArchiveFirearm violenceCity Police DepartmentPolice department dataFirearm homicideNonfatal shootingsPolice departmentsInterpersonal violenceShooting dataNational data sourcesViolenceShooting eventsFirearm injuriesPoliceUS CensusUS citiesCharacteristics of individualsFirearmGunSources of dataCityApparent biasDepartment dataCommunityHomicide
2025
Kernel Density Bandwidth Specification in Neighborhood Violence Prevention Research
Zewdie H, Asa N, Rowhani-Rahbar A, Morrison C, Mooney S. Kernel Density Bandwidth Specification in Neighborhood Violence Prevention Research. Journal Of Urban Health 2025, 102: 1152-1162. PMID: 41353300, PMCID: PMC12738463, DOI: 10.1007/s11524-025-01032-4.Peer-Reviewed Original ResearchComparison of community firearm violence news reports across four local television stations in Philadelphia, PA, USA: A quantitative media content analysis
Wanders S, Midberry J, Wamakima A, Muns T, Palm K, MacMillan J, Morrison C, Beard J. Comparison of community firearm violence news reports across four local television stations in Philadelphia, PA, USA: A quantitative media content analysis. Preventive Medicine Reports 2025, 60: 103324. PMID: 41404121, PMCID: PMC12704256, DOI: 10.1016/j.pmedr.2025.103324.Peer-Reviewed Original ResearchQuantitative media content analysisMedia content analysisTelevision news outletsLocal television stationsContent analysisContent elementsTelevision newsNews outletsTelevision stationsNews reportsNews clipsCrime frameBroadcast timeTelevisionContent scoresNewsStoryBroadcastStratified samplingPublic health issueClipsCoverageVictimsViolenceOutletVehicle traffic as a determinant of community firearm violence
Gause E, McLone S, Dalton C, Morrison C, Jay J. Vehicle traffic as a determinant of community firearm violence. Injury Epidemiology 2025, 12: 70. PMID: 41137156, PMCID: PMC12553157, DOI: 10.1186/s40621-025-00628-3.Peer-Reviewed Original ResearchClustered standard errorsVehicle trafficTraffic volumeAverage daily traffic volumeDaily traffic volumeVehicle traffic volumeCross-sectional logistic regressionFirearm violenceTime of dayVehicle tripsHigh vehicle trafficTraffic estimationFirearm assaultsTraffic controlStandard deviation increaseLogistic regressionFuture researchCity of PortlandCase-crossover analysisTrafficLocal community concernsConditional logistic regressionInjury researchInjury riskHigh-risk neighborhoodsExploring modifiable neighborhood risk factors for fatal opioid overdose: a case–control study in two US cities
Nesoff E, Morrison C, Wiebe D, Martins S. Exploring modifiable neighborhood risk factors for fatal opioid overdose: a case–control study in two US cities. American Journal Of Epidemiology 2025, 194: 3248-3257. PMID: 40668203, PMCID: PMC12296151, DOI: 10.1093/aje/kwaf152.Peer-Reviewed Original ResearchNeighborhood risk factorsNeighborhood-level covariatesTraffic calming featuresFatal opioid overdoseNeighborhood factorsGoogle Street ViewSamples of blocksSidewalk maintenanceNew York CityMultifamily homesUS citiesFamily homeApartment buildingsBus stopOpioid overdoseVacant lotsCity blocksYork CityStreet ViewStreetRisk factorsCityNeighborhoodBuildingCase sitesEffectiveness of leading pedestrian intervals for city walkers’ safety
Zadey S, Roberts L, Bushover B, Gobaud A, Mehranbod C, Fish C, Eschliman E, Gao X, Goin D, Morrison C. Effectiveness of leading pedestrian intervals for city walkers’ safety. Nature Cities 2025, 2: 608-612. DOI: 10.1038/s44284-025-00267-1.Peer-Reviewed Original Research
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Yale School of Public Health (LEPH)
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60 College Street, Rm 818
New Haven, CT 06510