United StatesAge FactorsRisk FactorsDisabled PersonsHomeless PersonsMaximum Tolerated DoseTime FactorsMentally Ill PersonsVisually Impaired PersonsMentally Disabled PersonsHIV InfectionsIncidencePrevalenceCohort StudiesQuestionnairesPopulation SurveillanceCross-Sectional StudiesLikelihood FunctionsProspective StudiesSex FactorsKineticsDose-Response Relationship, DrugDisease OutbreaksAgingReproducibility of ResultsFollow-Up StudiesLongitudinal StudiesTreatment OutcomeBiomechanical PhenomenaAge DistributionRegression AnalysisAlgorithmsSeasonsAnalysis of VarianceRetrospective StudiesTemperatureMuscle ContractionHealth StatusSingle PersonModels, BiologicalSocioeconomic FactorsSensitivity and SpecificityAcquired Immunodeficiency SyndromeDementiaRisk AssessmentModels, StatisticalHealth SurveysChronic DiseaseGeriatric AssessmentSex DistributionHydrogen-Ion ConcentrationLogistic ModelsSeverity of Illness IndexPersonhoodComputer SimulationSpinal Cord InjuriesReference ValuesQuality of LifeInfant, NewbornPhylogenyArea Under CurveNeoplasmsRiskModels, TheoreticalMolecular Sequence DataMuscle, SkeletalWalkingComorbidityNetherlandsRural PopulationLinear ModelsHospitalizationCaliforniaMass ScreeningIsometric ContractionExerciseMultivariate AnalysisCognition DisordersTravelCaregiversGenotypePredictive Value of TestsGaitData CollectionFrail ElderlyDisability EvaluationMaximum Allowable ConcentrationWounds and InjuriesAccidental FallsPedigreeCD4 Lymphocyte CountMental DisordersBlood PressureUrban PopulationTransgendered PersonsGermanyPilot ProjectsVaccinationResidence CharacteristicsConnecticut