Featured Publications
Association Between Neighborhood Disadvantage and Functional Well-being in Community-Living Older Persons
Gill TM, Zang EX, Murphy TE, Leo-Summers L, Gahbauer EA, Festa N, Falvey JR, Han L. Association Between Neighborhood Disadvantage and Functional Well-being in Community-Living Older Persons. JAMA Internal Medicine 2021, 181: 1297-1304. PMID: 34424276, PMCID: PMC8383163, DOI: 10.1001/jamainternmed.2021.4260.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAgedFemaleFunctional StatusHealthy Life ExpectancyHousing QualityHumansIndependent LivingLongitudinal StudiesMaleMental HealthNeighborhood CharacteristicsPrognosisPsychosocial FunctioningQuality of LifeSocial Determinants of HealthSocioeconomic FactorsUnited StatesConceptsProspective longitudinal cohort studyCommunity-living older personsAge 70 yearsActive life expectancyLongitudinal cohort studyOlder personsCohort studyPrognostic factorsLife expectancyArea deprivation index scoreCommunity-living personsPrecipitating Events ProjectDeprivation index scoreDisabled life expectancyAge 90 yearsArea Deprivation IndexPublic health initiativesPublic health interventionsNeighborhood disadvantageGreater percentageResource-poor environmentsIndividual-level socioeconomic characteristicsMean ageMAIN OUTCOMEDaily livingCognitive Aging Trajectories and Burdens of Disability, Hospitalization and Nursing Home Admission Among Community-living Older Persons
Han L, Gill TM, Jones BL, Allore HG. Cognitive Aging Trajectories and Burdens of Disability, Hospitalization and Nursing Home Admission Among Community-living Older Persons. The Journals Of Gerontology Series A 2015, 71: 766-771. PMID: 26511011, PMCID: PMC4888384, DOI: 10.1093/gerona/glv159.Peer-Reviewed Original ResearchConceptsNursing home admissionBurden of disabilityCommunity-living older personsHome admissionOlder personsGreater burdenCognitive trajectoriesMini-Mental State ExaminationCommunity-living personsCognitive aging trajectoriesNursing home placementPrecipitating Events ProjectLow incidence rateEquation Poisson modelsRapid cognitive declineBaseline cognitive functionAging trajectoriesGroup-based trajectory modelsThird of participantsADL disabilityHigher baseline cognitive functionInstrumental ADLIncidence rateDaily livingHospitalization
2020
Predictors of Residential Care Admission in Community-Dwelling Older People With Dementia
Jamieson H, Abey-Nesbit R, Nishtala PS, Allore H, Han L, Deely JM, Pickering JW. Predictors of Residential Care Admission in Community-Dwelling Older People With Dementia. Journal Of The American Medical Directors Association 2020, 21: 1665-1670. PMID: 32646821, PMCID: PMC7641960, DOI: 10.1016/j.jamda.2020.04.021.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAgedDementiaHome Care ServicesHospitalizationHumansIndependent LivingConceptsAged residential careSubdistribution hazard ratiosMultivariable competing-risk modelResidential care admissionAbsence of dementiaDay of assessmentOlder New ZealandersRisk prediction modelPoor cognitive performanceCompeting-risks modelInterRAI-HC assessmentInterRAI dataCare admissionHazard ratioObservational studyReduced riskDaily livingExclusion criteriaHigh riskAlcohol consumptionDementiaOlder peopleResidential careSocial isolationCognitive performanceImpact of Anticholinergic Burden on Cognitive Performance: A Cohort Study of Community-Dwelling Older Adults
Nishtala PS, Allore H, Han L, Jamieson HA, Hilmer SN, Chyou TY. Impact of Anticholinergic Burden on Cognitive Performance: A Cohort Study of Community-Dwelling Older Adults. Journal Of The American Medical Directors Association 2020, 21: 1357-1358.e3. PMID: 32402780, PMCID: PMC7971451, DOI: 10.1016/j.jamda.2020.03.027.Peer-Reviewed Original ResearchDisability and Recovery After Hospitalization for Medical Illness Among Community‐Living Older Persons: A Prospective Cohort Study
Dharmarajan K, Han L, Gahbauer EA, Leo‐Summers L, Gill TM. Disability and Recovery After Hospitalization for Medical Illness Among Community‐Living Older Persons: A Prospective Cohort Study. Journal Of The American Geriatrics Society 2020, 68: 486-495. PMID: 32083319, PMCID: PMC7735402, DOI: 10.1111/jgs.16350.Peer-Reviewed Original ResearchConceptsAcute medical illnessProspective cohort studyMedical illnessNew disabilityCohort studySelf-managing health conditionsCommunity-living older personsHealth conditionsImmediate transitional periodCommunity-living personsPost-discharge careChronic health conditionsMean recovery timeSubgroup of personsMobility activitiesIncident disabilityHospital dischargePeriod of vulnerabilityMonth 2Follow-up interviewHospitalizationDisability prevalenceOlder personsPrior monthIllnessFactors Associated With Insidious and Noninsidious Disability
Gill TM, Murphy TE, Gahbauer EA, Leo-Summers L, Han L. Factors Associated With Insidious and Noninsidious Disability. The Journals Of Gerontology Series A 2020, 75: 2125-2129. PMID: 31907523, PMCID: PMC7566549, DOI: 10.1093/gerona/glaa002.Peer-Reviewed Original ResearchConceptsRisk factorsIllness/injuryInsidious disabilityLower extremity muscle weaknessNon-Hispanic white raceExtremity muscle weaknessCommunity-living personsEmergency department visitsPoor manual dexterityCox analysisDepartment visitsMultivariable analysisDisability outcomesMuscle weaknessWhite raceDaily livingCognitive impairmentBivariate analysisType of disabilityManual dexterityDisabilityInjuryOutcomesModest differencesDifferent mechanisms
2019
Associations between home deaths and end-of-life nursing care trajectories for community-dwelling people: a population-based registry study
Kjellstadli C, Han L, Allore H, Flo E, Husebo BS, Hunskaar S. Associations between home deaths and end-of-life nursing care trajectories for community-dwelling people: a population-based registry study. BMC Health Services Research 2019, 19: 698. PMID: 31615500, PMCID: PMC6794846, DOI: 10.1186/s12913-019-4536-9.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overChildChild, PreschoolContinuity of Patient CareFemaleHome Care ServicesHome NursingHospice CareHospitalsHumansIndependent LivingInfantInfant, NewbornLogistic ModelsLongitudinal StudiesMaleMiddle AgedNorwayNursing CarePalliative CareRegistriesResearch DesignRetrospective StudiesSkilled Nursing FacilitiesTerminal CareYoung AdultConceptsSkilled nursing facilitiesHome deathCommunity-dwelling peoplePlace of deathHome nursingSNF stayAssociation of placeNursing servicesPopulation-based registry studyHome nursing servicesPalliative home careContinuity of careRetrospective longitudinal studyDays of lifeMunicipal healthcare servicesLogistic regression modelsGroup-based trajectory modelsDeath RegistryMultinomial logistic regression modelsNorwegian CauseRegistry studyBackgroundFew studiesNational registryCare trajectoriesNursing hoursThe Epidemiology of Patient‐Reported Hypersomnia in Persons With Advanced Age
Miner B, Gill TM, Yaggi HK, Redeker NS, Van Ness PH, Han L, Fragoso C. The Epidemiology of Patient‐Reported Hypersomnia in Persons With Advanced Age. Journal Of The American Geriatrics Society 2019, 67: 2545-2552. PMID: 31390046, PMCID: PMC6898735, DOI: 10.1111/jgs.16107.Peer-Reviewed Original ResearchConceptsSelf-reported sleep-disordered breathingRestless legs syndromeMean ESS scoreCommunity-dwelling personsESS scoreCross-sectional associationsAdvanced ageHypersomnia symptomsCentral nervous system depressant medicationsEpworth Sleepiness Scale scoreMini-Mental State Examination scoreEpidemiologic Studies-Depression scoreSelf-reported medical conditionsEpidemiology of patientsLow physical activitySleep-disordered breathingBody mass indexPhysical Activity ScalePrecipitating Events ProjectState Examination scoreInsomnia Severity IndexMultivariable regression modelsDepressant medicationsClinical characteristicsCross-sectional design
2018
Days Spent at Home in the Last Six Months of Life Among Community-Living Older Persons
Gill TM, Gahbauer EA, Leo-Summers L, Murphy TE, Han L. Days Spent at Home in the Last Six Months of Life Among Community-Living Older Persons. The American Journal Of Medicine 2018, 132: 234-239. PMID: 30447203, PMCID: PMC6349467, DOI: 10.1016/j.amjmed.2018.10.029.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAgingCohort StudiesDeathFemaleHumansIndependent LivingMaleRetrospective StudiesTerminal CareConceptsCommunity-living older personsMonths of lifeOrgan failureOlder personsRace/ethnicityEnd of lifeImportant patient-centered outcomesCommunity-living personsPatient-centered outcomesOngoing cohort studyCohort studyAdvanced dementiaHospice facilityMedian numberDeath certificatesSudden deathNursing homesAnalytic sampleNumber of daysDeathDecedentsDaysMonthsAgeSexFunctional trajectories before and after a new cancer diagnosis among community-dwelling older adults
Presley CJ, Han L, Leo-Summers L, Hurria A, Gross CP, Davidoff AJ, Allore HG, Gill TM. Functional trajectories before and after a new cancer diagnosis among community-dwelling older adults. Journal Of Geriatric Oncology 2018, 10: 60-67. PMID: 29937422, PMCID: PMC6526705, DOI: 10.1016/j.jgo.2018.05.017.Peer-Reviewed Original ResearchConceptsNew cancer diagnosesFunctional trajectoriesRisk factorsCancer diagnosisDistinct functional trajectoriesTotal disability scorePotential risk factorsGroup-based trajectory modelsParticipants 70Disability scoresOlder adultsMonthly assessmentsDiagnosisMobility activitiesIdentified participantsDisabilityParticipantsYearsInsomnia in Community‐Living Persons with Advanced Age
Miner B, Gill TM, Yaggi HK, Redeker NS, Van Ness PH, Han L, Fragoso CAV. Insomnia in Community‐Living Persons with Advanced Age. Journal Of The American Geriatrics Society 2018, 66: 1592-1597. PMID: 29785710, PMCID: PMC6167156, DOI: 10.1111/jgs.15414.Peer-Reviewed Original ResearchConceptsSelf-reported sleep-disordered breathingRestless legs syndromeInsomnia Severity IndexDepressive symptomsBaseline characteristicsOlder adultsCognitive impairmentAverage baseline characteristicsEpidemiology of insomniaChronic lung diseaseSleep-disordered breathingMultivariable regression modelsHigh medical burdenCurrent smokersLegs syndromeLung diseaseClinical correlatesDaytime sleepinessSleep disturbancesAdvanced ageMedical burdenMild severityCardiovascular diseaseDiagnostic confirmationHigh prevalenceDiabetes, Heart Disease, and Dementia: National Estimates of Functional Disability Trajectories
Vroomen J, Han L, Monin JK, Lipska KJ, Allore HG. Diabetes, Heart Disease, and Dementia: National Estimates of Functional Disability Trajectories. Journal Of The American Geriatrics Society 2018, 66: 766-772. PMID: 29521414, PMCID: PMC5906138, DOI: 10.1111/jgs.15284.Peer-Reviewed Original ResearchConceptsHeart diseaseDisability trajectoriesPossible dementiaNational estimatesChronic conditionsGreater oddsPhysician-diagnosed chronic conditionsCognitive statusCommunity-dwelling Medicare beneficiariesMultiple chronic conditionsAging Trends StudyComplex survey designGroup-based trajectory modelingADL disabilityNational HealthProbable dementiaDaily livingMultinomial logistic regressionMedicare beneficiariesDiabetesStudy attritionConcurrent conditionsDementiaSociodemographic characteristicsSevere disability
2017
Joint Trajectories of Cognition and Frailty and Associated Burden of Patient-Reported Outcomes
Liu Z, Han L, Gahbauer EA, Allore HG, Gill TM. Joint Trajectories of Cognition and Frailty and Associated Burden of Patient-Reported Outcomes. Journal Of The American Medical Directors Association 2017, 19: 304-309.e2. PMID: 29146224, PMCID: PMC6054444, DOI: 10.1016/j.jamda.2017.10.010.Peer-Reviewed Original ResearchConceptsPatient-reported outcomesNursing home admissionException of hospitalizationMini-Mental State ExaminationFrailty groupHome admissionCumulative burdenSlower cognitive declineCognitive frailtyCognitive declineProgressive frailtyCommunity-living older personsGreater burdenJoint trajectory groupsHigh cumulative burdenCommunity-living personsIncidence density rateLow physical activitySlow walking speedTrajectory groupsEquation Poisson modelsRapid cognitive declineDistinct joint trajectoriesFried phenotypeMuscle weaknessRestricting Back Pain and Subsequent Disability in Activities of Daily Living Among Community-Living Older Adults
Makris UE, Weinreich MA, Fraenkel L, Han L, Leo-Summers L, Gill TM. Restricting Back Pain and Subsequent Disability in Activities of Daily Living Among Community-Living Older Adults. Journal Of Aging And Health 2017, 30: 1482-1494. PMID: 28863724, PMCID: PMC5832514, DOI: 10.1177/0898264317721555.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAgedAged, 80 and overBack PainCohort StudiesDisability EvaluationFemaleHumansIndependent LivingMaleConceptsCommunity-living older adultsBack painSubsequent disabilityIADL disabilityOlder adultsDaily livingProspective cohort studyCohort studyHazard ratioInstrumental activitiesPainCox modelSubsequent burdenTime-varying covariatesMonthly interviewsStrong associationDisabilityAdultsEADLAssociationIADLLivingActivityMonths
2016
Dyspnea in Community‐Dwelling Older Persons: A Multifactorial Geriatric Health Condition
Miner B, Tinetti ME, Van Ness PH, Han L, Leo‐Summers L, Newman AB, Lee PJ, Fragoso C. Dyspnea in Community‐Dwelling Older Persons: A Multifactorial Geriatric Health Condition. Journal Of The American Geriatrics Society 2016, 64: 2042-2050. PMID: 27549914, PMCID: PMC5073004, DOI: 10.1111/jgs.14290.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAnkle Brachial IndexBody Mass IndexCausalityComorbidityCross-Sectional StudiesDyspneaEchocardiographyElectric ImpedanceFemaleGeriatric AssessmentHumansIndependent LivingMaleMental CompetencyRespiratory Function TestsRisk FactorsSeverity of Illness IndexStatistics as TopicUnited StatesConceptsBody mass indexSevere dyspneaOlder personsChair standCommunity-dwelling older personsMultivariable logistic regression modelHealth conditionsWhole body muscle massMini-Mental State ExaminationAnkle-brachial indexEpidemiologic Studies Depression ScaleRespiratory muscle weaknessMaximal inspiratory pressureVentricular ejection fractionCardiovascular Health StudyCommunity-dwelling personsDiastolic cardiac dysfunctionLogistic regression modelsGrip weaknessSerum hemoglobinBlood pressureDyspnea severityEjection fractionMedication useCardiac dysfunction
2014
Restricting Back Pain and Subsequent Mobility Disability in Community‐Living Older Persons
Makris UE, Fraenkel L, Han L, Leo‐Summers L, Gill TM. Restricting Back Pain and Subsequent Mobility Disability in Community‐Living Older Persons. Journal Of The American Geriatrics Society 2014, 62: 2142-2147. PMID: 25366926, PMCID: PMC4241131, DOI: 10.1111/jgs.13089.Peer-Reviewed Original ResearchConceptsBaseline mobility disabilityBack painMobility disabilityOlder personsCommunity-living older personsPersistent mobility disabilityProspective cohort studyCox regression analysisMonthly telephone interviewsCommunity-living menDisability episodeCohort studyPainCox modelSecondary analysisEvent ratesTelephone interviewsMonthsDisabilityConsecutive monthsRegression analysisAssociationNew HavenPersonsParticipants