OntarioDecision MakingDecision Support TechniquesDecision TreesDecision Support Systems, ClinicalDecision Making, Computer-AssistedDecision TheoryQuestionnairesCanadaDisabled PersonsUnited StatesRisk FactorsDecision Making, OrganizationalCross-Sectional StudiesPrevalenceTime FactorsPhysician's Practice PatternsCohort StudiesMentally Ill PersonsInterviews as TopicHealth Knowledge, Attitudes, PracticeRetrospective StudiesAttitude of Health PersonnelIncidenceSex FactorsRisk AssessmentPopulation SurveillanceSocioeconomic FactorsTreatment OutcomeData CollectionQualitative ResearchHealth Services AccessibilityCost-Benefit AnalysisProspective StudiesLogistic ModelsAge FactorsHIV InfectionsHomeless PersonsPhysiciansAttitude to HealthReproducibility of ResultsQuality of LifeGreat BritainMental CompetencyAge DistributionPatient SatisfactionRural PopulationMass ScreeningSeverity of Illness IndexPatient Acceptance of Health CareEvidence-Based MedicinePractice Guidelines as TopicPilot ProjectsDisease OutbreaksCommunicationHealth StatusPrimary Health CarePatient Education as TopicFocus GroupsEthics, MedicalFollow-Up StudiesHealth Care SurveysHealth SurveysHospitalizationHealth Services Needs and DemandWithholding TreatmentInformed ConsentVisually Impaired PersonsHealth PolicySex DistributionMentally Disabled PersonsRegression AnalysisHealth Services ResearchThird-Party ConsentDelivery of Health CarePhysicians, FamilyChronic DiseaseGeriatric AssessmentOutcome Assessment (Health Care)Longitudinal StudiesNational Health ProgramsReferral and ConsultationResearch DesignResidence CharacteristicsTerminal CareInfant, NewbornHealth Services for the AgedUncertaintyUrban PopulationDementiaAttitudePolicy MakingPersonal AutonomyLife Support CareDisability EvaluationAdvance DirectivesSensitivity and SpecificityPatient PreferenceEmergency Service, HospitalFamily Practice