2025
Obtaining population-based estimates for survey data using Bayesian hierarchical models with Poststratification
Zhang Y, Gill T, Bandeen-Roche K, Becher R, Davis-Plourde K, Zang E. Obtaining population-based estimates for survey data using Bayesian hierarchical models with Poststratification. American Journal Of Epidemiology 2025, kwaf209. PMID: 40977048, DOI: 10.1093/aje/kwaf209.Peer-Reviewed Original ResearchNational Health and Aging Trends StudyPopulation-based estimatesEstimates of frailtyBayesian estimationBayesian hierarchical modelPrevalence estimatesSample weightSample sizeBayesian approachLarge-scale surveyHierarchical modelSurvey dataTrends StudyBayesian modelEstimationPoststratificationCohortFrailtyCombined cohortIncidence of Frailty, Dementia, and Disability Among Community‐Living Older Americans According to County‐Level Disadvantage
Wang Y, Zang E, Davis‐Plourde K, Vander Wyk B, Gill T, Becher R. Incidence of Frailty, Dementia, and Disability Among Community‐Living Older Americans According to County‐Level Disadvantage. Journal Of The American Geriatrics Society 2025, 73: 1847-1856. PMID: 40196885, PMCID: PMC12213133, DOI: 10.1111/jgs.19465.Peer-Reviewed Original ResearchConceptsNational Health and Aging Trends StudyActivities of daily living disabilityActivities of daily livingIncidence of frailtySocial determinants of healthOlder personsOlder AmericansContextual disadvantageAge- and sex-adjusted HRDisadvantaged countiesDeterminants of healthSex-adjusted HRNationally representative longitudinal studyRepresentative longitudinal studyCommunity-livingDaily livingClinically Meaningful OutcomesTrends StudyGeriatric conditionsNo prior studiesNational incidenceIncidence rateDementiaFrailtyCounty-levelCare Recipients’ Cognitive Trajectories and Caregivers’ Depressive Symptoms: The Mediating Role of Caregiving Burden
Lou Y, Gong J, Zang E. Care Recipients’ Cognitive Trajectories and Caregivers’ Depressive Symptoms: The Mediating Role of Caregiving Burden. The Gerontologist 2025, 65: gnaf024. PMID: 39873410, PMCID: PMC11934274, DOI: 10.1093/geront/gnaf024.Peer-Reviewed Original ResearchConceptsCaregiver depressive symptomsCare recipientsCaregiver burdenDepressive symptomsCognitive trajectoriesCaregiving burdenNational Health and Aging Trends StudyNational Study of CaregivingFinancial caregiving burdensCaregiver mental healthStudy of CaregivingStress process modelLongitudinal cognitive courseGroup-based trajectoryCaregiving difficultiesCaregiving experienceTrajectory group membershipEmotional burdenTrends StudyMental healthCaregiversCareTrajectory groupsNational studyCognitive function
2024
Association Between Cognitive Trajectories and Subsequent Health Status, Depressive Symptoms, and Mortality Among Older Adults in the United States: Findings From a Nationally Representative Study
Zang E, Zhang Y, Wang Y, Wu B, Fried T, Becher R, Gill T. Association Between Cognitive Trajectories and Subsequent Health Status, Depressive Symptoms, and Mortality Among Older Adults in the United States: Findings From a Nationally Representative Study. The Journals Of Gerontology Series A 2024, 79: glae143. PMID: 38845419, PMCID: PMC11212484, DOI: 10.1093/gerona/glae143.Peer-Reviewed Original ResearchPoor health statusHealth statusDepressive symptomsOlder adultsHealth outcomesCognitive trajectoriesNational Health and Aging Trends StudyScreening of cognitive functionTrajectory groupsCognitive functionHigher depressive symptomsPopulation-based dataAdverse health outcomesNationally Representative CohortGroup-based trajectory modelingHigher mortality riskAssociated with higher riskNationally-representative studyLogistic regression modelsTrends StudyRepresentative cohortGlobal cognitionLiving respondentsRegular screeningMortality riskSocial Determinants of Health and Delivery of Rehabilitation to Older Adults During ICU Hospitalization
Jain S, Murphy T, Falvey J, Leo-Summers L, O’Leary J, Zang E, Gill T, Krumholz H, Ferrante L. Social Determinants of Health and Delivery of Rehabilitation to Older Adults During ICU Hospitalization. JAMA Network Open 2024, 7: e2410713. PMID: 38728030, PMCID: PMC11087837, DOI: 10.1001/jamanetworkopen.2024.10713.Peer-Reviewed Original ResearchConceptsSocial determinants of healthDeterminants of healthOccupational therapyPhysical therapyOlder adultsRural residentsIntensive care unit hospitalizationRehabilitation deliveryIntensive care unitSocial determinantsSocioeconomic disadvantageNational Health and Aging Trends StudyDelivery of physical therapyIllness hospitalizationFactors associated with lower oddsDelivery of rehabilitationIn-hospital rehabilitationMitigate functional declineMedicaid eligibilityBurden of disabilityHigh school educationDual MedicareTrends StudyMedicare claimsLength of stay
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