Cause of DeathRisk FactorsDisabled PersonsUnited StatesQuestionnairesHomeless PersonsPrevalenceCross-Sectional StudiesHIV InfectionsMentally Ill PersonsMentally Disabled PersonsVisually Impaired PersonsIncidenceSex FactorsGeriatric AssessmentSocioeconomic FactorsHealth Services for the AgedCohort StudiesAge DistributionGreat BritainDementiaPopulation SurveillanceHealth StatusHealthy People ProgramsAccidental FallsFrail ElderlyAgingInterviews as TopicHealth SurveysHealth Knowledge, Attitudes, Practice