Cost-Benefit AnalysisModels, EconomicQuality-Adjusted Life YearsMarkov ChainsHealth Care CostsTime FactorsDrug CostsUnited StatesCohort StudiesIncidenceTreatment OutcomeLongitudinal StudiesRisk FactorsRetrospective StudiesFollow-Up StudiesRisk AssessmentDisabled PersonsAge FactorsProspective StudiesQuestionnairesHomeless PersonsPrevalenceCross-Sectional StudiesHIV InfectionsMentally Ill PersonsMentally Disabled PersonsVisually Impaired PersonsSex FactorsGeriatric AssessmentSocioeconomic FactorsHealth Services for the AgedAge DistributionGreat BritainDementiaPopulation SurveillanceHealth StatusHealthy People ProgramsAccidental FallsFrail ElderlyAgingInterviews as TopicHealth SurveysHealth Knowledge, Attitudes, PracticeQuality of LifeSex DistributionRural PopulationAttitude to HealthDisease OutbreaksMental DisordersEnglandResidence CharacteristicsHealth Services AccessibilityChronic DiseaseChinaCaregiversHomes for the AgedAustraliaPatient Acceptance of Health CareLogistic ModelsStereotypingPrejudiceDisability EvaluationInstitutionalizationAcquired Immunodeficiency SyndromeSocial SupportData CollectionResidential FacilitiesUrban PopulationNetherlandsNursing HomesHousingRegression AnalysisAlaskaCommunity Health ServicesMass ScreeningHealth Services Needs and DemandQualitative ResearchCognition DisordersDiabetes MellitusHospitalizationComorbiditySingle PersonSeverity of Illness IndexWalkingActivities of Daily LivingMortalityEthnic GroupsCanadaReproducibility of ResultsPostural BalanceDepressionSmokingOceanic Ancestry GroupPilot ProjectsEducational StatusSelf ConceptEmploymentIndians, North AmericanDemographySocial Stigma