2022
Review and evaluation of imputation methods for multivariate longitudinal data with mixed‐type incomplete variables
Cao Y, Allore H, Vander Wyk B, Gutman R. Review and evaluation of imputation methods for multivariate longitudinal data with mixed‐type incomplete variables. Statistics In Medicine 2022, 41: 5844-5876. PMID: 36220138, PMCID: PMC9771917, DOI: 10.1002/sim.9592.Peer-Reviewed Original ResearchMeSH KeywordsBiometryComputer SimulationHumansLongitudinal StudiesModels, StatisticalResearch DesignSoftwareConceptsImputation methodsEfficient imputation methodJoint modelingIntensive computationAccessible softwareData patternsIncomplete longitudinal dataMultivariate longitudinal dataMissing valuesData variablesIncomplete variablesMultivariate distributionsMultiple imputation procedureConditional distributionLinear multilevel modelsHierarchical modelEntire setImputation procedureVariance estimatesMI methodConditional specificationConditional modelSetSoftwareMultiple imputation
2010
Gerontologic Biostatistics: The Statistical Challenges of Clinical Research with Older Study Participants
Van Ness PH, Charpentier PA, Ip EH, Leng X, Murphy TE, Tooze JA, Allore HG. Gerontologic Biostatistics: The Statistical Challenges of Clinical Research with Older Study Participants. Journal Of The American Geriatrics Society 2010, 58: 1386-1392. PMID: 20533963, PMCID: PMC2918405, DOI: 10.1111/j.1532-5415.2010.02926.x.Peer-Reviewed Original ResearchMeSH KeywordsAgedBiomedical ResearchBiostatisticsClinical Trials as TopicGeriatricsHumansResearch Design
2009
Missing Data: A Special Challenge in Aging Research
Hardy SE, Allore H, Studenski SA. Missing Data: A Special Challenge in Aging Research. Journal Of The American Geriatrics Society 2009, 57: 722-729. PMID: 19220562, PMCID: PMC2695652, DOI: 10.1111/j.1532-5415.2008.02168.x.Peer-Reviewed Original ResearchMeSH KeywordsAgingData CollectionEpidemiologic Research DesignEpidemiologic StudiesHumansModels, StatisticalPatient DropoutsResearch Design
2008
Review: An examination of effect estimation in factorial and standardly-tailored designs
Allore HG, Murphy TE. Review: An examination of effect estimation in factorial and standardly-tailored designs. Clinical Trials 2008, 5: 121-130. PMID: 18375650, PMCID: PMC3477845, DOI: 10.1177/1740774508089278.Peer-Reviewed Original ResearchMeSH KeywordsData Interpretation, StatisticalFactor Analysis, StatisticalHumansRandomized Controlled Trials as TopicResearch DesignConceptsInterventional componentsRisk factorsClinical trialsTranslational researchMulticomponent interventionIndividual component effectsRandomized clinical trialsMultiple intervention componentsInterventional trialsGeriatric conditionsIntervention armTreatment armsControl armTrial designHealth outcomesIntervention componentsTrialsMedical communityInterventionSignificant findingsArmSubjectsCurrent inabilityNet effectGeriatrics
2005
Experimental designs for multicomponent interventions among persons with multifactorial geriatric syndromes
Allore HG, Tinettia M, Gill TM, Peduzzi PN. Experimental designs for multicomponent interventions among persons with multifactorial geriatric syndromes. Clinical Trials 2005, 2: 13-21. PMID: 16279575, DOI: 10.1191/1740774505cn067oa.Peer-Reviewed Original ResearchConceptsMultifactorial health conditionsModifiable risk factorsMulticomponent interventionRisk factorsGeriatric syndromesHealth conditionsMultifactorial geriatric syndromeOutcomes of interestIntervention trialsClinical trialsClinical concernIntervention componentsInterventionSyndromeDeleterious effectsTrialsOutcomesBlindingFactors