Reference ValuesHealthEnzyme-Linked Immunosorbent AssayCase-Control StudiesSex FactorsRisk FactorsAge FactorsAgingSensitivity and SpecificityTime FactorsUnited StatesImmunoglobulin GFecesPrevalenceBiological MarkersQuestionnairesLymphocytesAnalysis of VarianceChronic DiseaseAntibodies, ViralLinear ModelsImmunoglobulin MReproducibility of ResultsAutoantibodiesDisabled PersonsProspective StudiesPolymerase Chain ReactionAntibodies, BacterialBlood GlucoseAttitude to HealthCross-Sectional StudiesGreat BritainGenotypeAttitude of Health PersonnelPolymorphism, GeneticHealth Knowledge, Attitudes, PracticeInterviews as TopicQualitative ResearchPhysician-Patient RelationsMolecular Sequence DataAttitudeQuality of LifeSocioeconomic FactorsEnglandFocus GroupsPatient Acceptance of Health CareWeight PerceptionHIV InfectionsHomeless PersonsPatient SatisfactionSelf ConceptStereotypingGeriatric AssessmentData CollectionHealth Services for the AgedHealth StatusHealthy People ProgramsPrejudiceHealth SurveysPerceptionHealth Services AccessibilitySocial SupportDecision MakingCommunicationFamily PracticeAttitude to DeathPublic OpinionCohort StudiesEmotionsIncidenceRural PopulationCaregiversAustraliaAccidental FallsCultureMental DisordersAge DistributionMentally Disabled PersonsNetherlandsDementiaResidence CharacteristicsActivities of Daily LivingVisually Impaired PersonsStress, PsychologicalMentally Ill PersonsFrail ElderlyFollow-Up StudiesPatient Education as TopicDepressionAdaptation, PsychologicalLongitudinal StudiesSocial PerceptionGuiltTreatment OutcomeHealth Care SurveysClinical CompetenceLogistic ModelsProfessional-Patient RelationsEmpathyCanada