Featured Publications
Use of Medications With Anticholinergic Effect Predicts Clinical Severity of Delirium Symptoms in Older Medical Inpatients
Han L, McCusker J, Cole M, Abrahamowicz M, Primeau F, Elie M. Use of Medications With Anticholinergic Effect Predicts Clinical Severity of Delirium Symptoms in Older Medical Inpatients. JAMA Internal Medicine 2001, 161: 1099-1105. PMID: 11322844, DOI: 10.1001/archinte.161.8.1099.Peer-Reviewed Original ResearchConceptsDelirium severityACH medicationsMedication exposureDelirium symptomsMedical inpatientsInpatients 65 yearsModifiable risk factorsOlder medical inpatientsUse of medicationsPresence of dementiaElderly medical inpatientsMixed linear regression modelsAnticholinergic medicationsACh effectsAnticholinergic effectsMedication usePrevalent deliriumDelirium IndexRisk factorsClinical severityMedicationsDeliriumSymptom severityLongitudinal associationsSeverityTransitions Between Frailty States Among Community-Living Older Persons
Gill TM, Gahbauer EA, Allore HG, Han L. Transitions Between Frailty States Among Community-Living Older Persons. JAMA Internal Medicine 2006, 166: 418-423. PMID: 16505261, DOI: 10.1001/archinte.166.4.418.Peer-Reviewed Original ResearchConceptsFrailty stateOlder personsCommunity-living older personsCommunity-living personsLow physical activitySlow walking speedFrailty transitionsMuscle weaknessProspective studyGreater frailtyNatural courseLess frailtyPhysical activityDaily livingFrailtyWalking speedsWeight lossNonfrailMonthsPersonsParticipantsPrefrailCriteriaPrevention
2022
Self-reported and actigraphic short sleep duration in older adults.
Miner B, Stone KL, Zeitzer JM, Han L, Doyle M, Blackwell T, Gill TM, Redeker NS, Hajduk A, Yaggi H. Self-reported and actigraphic short sleep duration in older adults. Journal Of Clinical Sleep Medicine 2022, 18: 403-413. PMID: 34338629, PMCID: PMC8804982, DOI: 10.5664/jcsm.9584.Peer-Reviewed Original ResearchMeSH KeywordsActigraphyAgedAged, 80 and overFemaleHumansMaleSelf ReportSleepSleep Wake DisordersTime FactorsConceptsShort sleep durationSelf-reported sleep durationSleep durationOsteoporotic fracturesAdverse outcomesOlder personsOlder adultsMen Sleep StudyNormal sleep durationActigraphic sleep durationDaytime sleepinessMultivariable modelShort sleepSleep studiesUnnecessary interventionsSymptom awarenessAverage ageHealth outcomesAge groupsLogistic regressionFalse negativesWomenObesityOutcomesMen
2019
Increased Length of Stay Associated With Antibiotic Use in Older Adults With Advanced Cancer Transitioned to Comfort Measures
Datta R, Zhu M, Han L, Allore H, Quagliarello V, Juthani-Mehta M. Increased Length of Stay Associated With Antibiotic Use in Older Adults With Advanced Cancer Transitioned to Comfort Measures. American Journal Of Hospice And Palliative Medicine® 2019, 37: 27-33. PMID: 31185722, PMCID: PMC6868290, DOI: 10.1177/1049909119855617.Peer-Reviewed Original ResearchConceptsAdvanced cancerAntibiotic useComfort measuresPoisson regression modelsInfection diagnosisIntensive care unit admissionMultivariable Poisson regression modelsCare unit admissionCohort of patientsUrinary tract infectionGoal-concordant careUnit admissionEnd of lifeHospital lengthOlder patientsTract infectionsLonger LOSMedian ageRegression modelsStay AssociatedAntibiotic exposureLiquid tumorsPatientsCancerCancer types
2018
Disability Prior to Death Among the Oldest-Old in China
Liu Z, Han L, Wang X, Feng Q, Gill TM. Disability Prior to Death Among the Oldest-Old in China. The Journals Of Gerontology Series A 2018, 73: 1701-1707. PMID: 29408957, PMCID: PMC6230206, DOI: 10.1093/gerona/gly010.Peer-Reviewed Original Research
2017
Distressing Symptoms, Disability, and Hospice Services at the End of Life: Prospective Cohort Study
Gill TM, Han L, Leo‐Summers L, Gahbauer EA, Allore HG. Distressing Symptoms, Disability, and Hospice Services at the End of Life: Prospective Cohort Study. Journal Of The American Geriatrics Society 2017, 66: 41-47. PMID: 28895118, PMCID: PMC5777867, DOI: 10.1111/jgs.15041.Peer-Reviewed Original ResearchConceptsProspective cohort studyEnd of lifeHospice admissionCohort studyDistressing symptomsHospice servicesMonths of lifeNumber of disabilitiesMedian durationSubsequent admissionHigh burdenMedicare claimsAdditional disabilitiesAdmissionAdditional monthsSymptomsOlder personsHospiceMonthly interviewsMonthsDisabilityShort durationAdditional strategiesDurationNew Haven
2014
Epidemiology of Restricting Fatigue in Older Adults: The Precipitating Events Project
de Rekeneire N, Leo‐Summers L, Han L, Gill TM. Epidemiology of Restricting Fatigue in Older Adults: The Precipitating Events Project. Journal Of The American Geriatrics Society 2014, 62: 476-481. PMID: 24512073, PMCID: PMC4103720, DOI: 10.1111/jgs.12685.Peer-Reviewed Original ResearchConceptsCommunity-living older adultsPhysical frailtyOlder adultsCommunity-living older menEpidemiologic Studies Depression ScaleProspective cohort studySlow gait speedOverall incidence ratePrecipitating Events ProjectCohort studyCumulative incidenceMedian durationGait speedIncidence rateDepression ScaleUsual activitiesOlder menFrailtyDepressionMonthsWomenConsecutive monthsAdultsHigh rateRespective counterparts
2013
Dynamics of functional aging based on latent-class trajectories of activities of daily living
Han L, Allore H, Murphy T, Gill T, Peduzzi P, Lin H. Dynamics of functional aging based on latent-class trajectories of activities of daily living. Annals Of Epidemiology 2013, 23: 87-92. PMID: 23305692, PMCID: PMC3558979, DOI: 10.1016/j.annepidem.2012.11.010.Peer-Reviewed Original ResearchConceptsDaily livingFunctional agingCommunity-living adultsEquation Poisson modelsMost older adultsADL disabilityHigher disabilityPersistent disabilitySubstantial morbidityInstrumental ADLADL independenceDisability trajectoriesLatent class trajectoriesCumulative burdenRestricted activityLow burdenSevere disabilityMorbidityPredominant trajectoriesOlder adultsDisabilityTime trendsFunctional autonomyADLGrowth mixture models
2009
Factors Associated With Recovery of Prehospital Function Among Older Persons Admitted to a Nursing Home With Disability After an Acute Hospitalization
Gill TM, Gahbauer EA, Han L, Allore HG. Factors Associated With Recovery of Prehospital Function Among Older Persons Admitted to a Nursing Home With Disability After an Acute Hospitalization. The Journals Of Gerontology Series A 2009, 64A: 1296-1303. PMID: 19661289, PMCID: PMC2773809, DOI: 10.1093/gerona/glp115.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAge FactorsAgedAged, 80 and overCohort StudiesContinuity of Patient CareDisability EvaluationDisabled PersonsFemaleFollow-Up StudiesGeriatric AssessmentHomes for the AgedHospitalizationHumansKaplan-Meier EstimateLongitudinal StudiesMaleMultivariate AnalysisNursing HomesPatient DischargeProbabilityProportional Hazards ModelsRecovery of FunctionRisk FactorsTime FactorsUnited StatesConceptsNursing home admissionPrehospital functionHome admissionAcute hospitalizationSignificant weight lossNursing homesGross motor coordinationMotor coordinationOlder personsManual dexterityWeight lossMonthly telephone interviewsOngoing cohort studyCohort studyFunctional recoveryPrehospital levelMore admissionsDaily livingHospitalizationAdmissionCognitive impairmentMultivariate analysisTelephone interviewsPotential predictorsAnalytic sample
2008
Functional Trajectories in Older Persons Admitted to a Nursing Home with Disability After an Acute Hospitalization
Gill TM, Gahbauer EA, Han L, Allore HG. Functional Trajectories in Older Persons Admitted to a Nursing Home with Disability After an Acute Hospitalization. Journal Of The American Geriatrics Society 2008, 57: 195-201. PMID: 19170778, PMCID: PMC2676348, DOI: 10.1111/j.1532-5415.2008.02107.x.Peer-Reviewed Original ResearchConceptsNursing home admissionAcute hospitalizationNursing homesOlder personsHome admissionFunctional trajectoriesFirst nursing home admissionProspective cohort studyCommunity-living personsMonthly telephone interviewsContinuous disabilityCohort studyMedian timePoor outcomeHospitalizationDaily livingPremorbid levelTelephone interviewsAdmissionDisabilityMonthsAdditional researchParticipantsAnalytical sampleNew Haven12-Month Cognitive Outcomes of Major and Minor Depression in Older Medical Patients
Han L, McCusker J, Cole M, Abrahamowicz M, Čapek R. 12-Month Cognitive Outcomes of Major and Minor Depression in Older Medical Patients. American Journal Of Geriatric Psychiatry 2008, 16: 742-751. PMID: 18757768, DOI: 10.1097/jgp.0b013e31817c6ad7.Peer-Reviewed Original ResearchConceptsMini-Mental State ExaminationOlder medical patientsMinor depressionPoor cognitive functionMedical patientsDepression diagnosisCognitive functionStudy entryIndependent risk factorProspective cohort studyApparent cognitive impairmentFourth Edition criteriaAcute care hospitalsDiagnostic Interview ScheduleMixed effects regression modelsAntidepressant treatmentCohort studyCare hospitalHospital admissionMedical inpatientsRegression modelsPhysical functionRisk factorsCardiovascular diseaseEdition criteria
2006
The Temporal Relationship Between Depression Symptoms and Cognitive Functioning in Older Medical Patients—Prospective or Concurrent?
Han L, McCusker J, Abrahamowicz M, Cole M, Capek R. The Temporal Relationship Between Depression Symptoms and Cognitive Functioning in Older Medical Patients—Prospective or Concurrent? The Journals Of Gerontology Series A 2006, 61: 1319-1323. PMID: 17234828, DOI: 10.1093/gerona/61.12.1319.Peer-Reviewed Original ResearchMeSH KeywordsAgedCognitionCognition DisordersDepressionFemaleFollow-Up StudiesHumansMaleTime FactorsConceptsMini-Mental State ExaminationHamilton Depression Rating ScaleHDRS scoresDepression symptomsCognitive impairmentInpatients 65 yearsIndependent risk factorTime pointsOlder medical patientsDepression Rating ScaleOld-age depressionLower MMSE scoresSame time pointsCognitive functioningSubsequent time pointsOne-point increaseTemporal relationshipCardiovascular riskMMSE changeIllness severityMedical patientsRisk factorsMMSE scoresDepressive symptomsEpidemiological studies
2005
Estimates of Active and Disabled Life Expectancy Based on Different Assessment Intervals
Gill TM, Allore H, Hardy SE, Holford TR, Han L. Estimates of Active and Disabled Life Expectancy Based on Different Assessment Intervals. The Journals Of Gerontology Series A 2005, 60: 1013-1016. PMID: 16127105, DOI: 10.1093/gerona/60.8.1013.Peer-Reviewed Original ResearchConceptsDisabled life expectancyAssessment intervalsADL functionLife expectancyProspective cohort studyCommunity-dwelling personsMore frequent assessmentsActive life expectancyADL disabilityCohort studyDaily livingEpidemiologic studiesAge groupsLong assessment intervalsFrequent assessmentConfidence intervalsBiennial strategyCorresponding point estimatesExpectancyMonthsDisabilityIncrement-decrement life tablesYearsPeriodic surveysInterval