Social SupportDisabled PersonsQuestionnairesUnited StatesRisk FactorsCross-Sectional StudiesPrevalenceAttitude to HealthHomeless PersonsHealth Knowledge, Attitudes, PracticeGreat BritainInterviews as TopicHIV InfectionsAttitude of Health PersonnelQualitative ResearchSex FactorsMentally Ill PersonsSocioeconomic FactorsMentally Disabled PersonsVisually Impaired PersonsQuality of LifePhysician-Patient RelationsIncidenceAttitudePatient Acceptance of Health CareCohort StudiesHealth StatusGeriatric AssessmentEnglandFocus GroupsSelf ConceptHealth SurveysData CollectionHealth Services for the AgedStereotypingTime FactorsPatient SatisfactionWeight PerceptionAge Distribution