2023
Association between Medicare eligibility at age 65 years and in-hospital treatment patterns and health outcomes for patients with trauma: regression discontinuity approach
Bhaumik D, Ndumele C, Scott J, Wallace J. Association between Medicare eligibility at age 65 years and in-hospital treatment patterns and health outcomes for patients with trauma: regression discontinuity approach. The BMJ 2023, 382: e074289. PMID: 37433620, PMCID: PMC10334336, DOI: 10.1136/bmj-2022-074289.Peer-Reviewed Original ResearchConceptsAge 65 yearsHealth insurance coverageHospital admissionTreatment patternsInsurance coverageSimilar patientsTrauma encountersAge 65Health systemLevel II trauma centerPatient's hospital admissionShare of patientsMain outcome measuresProcess of careDischarge planning processHospital mortalityHospital stayTrauma centerTrauma bayTreatment decisionsOutcome measuresAmerican CollegeInpatient facilitiesLevel INursing homesRisk Adjustment And Promoting Health Equity In Population-Based Payment: Concepts And Evidence
McWilliams J, Weinreb G, Ding L, Ndumele C, Wallace J. Risk Adjustment And Promoting Health Equity In Population-Based Payment: Concepts And Evidence. Health Affairs 2023, 42: 105-114. PMID: 36623215, PMCID: PMC9901844, DOI: 10.1377/hlthaff.2022.00916.Peer-Reviewed Original ResearchConceptsRisk adjustmentHealth equityCurrent risk adjustmentHealth care useSocial risk factorsPromoting Health EquityFunctional statusCare useRisk factorsMedicare populationEthnic disparitiesHispanic beneficiariesSocial determinantsWhite beneficiariesPopulation-based paymentsPopulation-based payment modelAnnual spendingPayment modelsHigher proportionPopulationAdjustmentPredictive accuracy
2021
Changes in Racial and Ethnic Disparities in Access to Care and Health Among US Adults at Age 65 Years
Wallace J, Jiang K, Goldsmith-Pinkham P, Song Z. Changes in Racial and Ethnic Disparities in Access to Care and Health Among US Adults at Age 65 Years. JAMA Internal Medicine 2021, 181: 1207-1215. PMID: 34309621, PMCID: PMC8314180, DOI: 10.1001/jamainternmed.2021.3922.Peer-Reviewed Original ResearchConceptsAge 65 yearsSelf-reported healthCost-related barriersCross-sectional studyEthnic disparitiesUsual sourceUS adultsHispanic individualsBlack individualsBehavioral Risk Factor Surveillance SystemRisk Factor Surveillance SystemPoor self-reported healthInfluenza vaccination ratesInsurance coverageHealth insuranceUS Affordable Care ActHispanic respondentsProportion of respondentsPrevention WideInfluenza vaccinationInfluenza vaccineVaccination ratesAffordable Care ActUS CentersMAIN OUTCOME