Disabled PersonsUnited StatesReproducibility of ResultsQuestionnairesRisk FactorsCross-Sectional StudiesTime FactorsCohort StudiesProspective StudiesAge FactorsHomeless PersonsPsychometricsWeights and MeasuresPrevalenceLongitudinal StudiesTreatment OutcomeQuality of LifeMentally Ill PersonsVisually Impaired PersonsSex FactorsSeverity of Illness IndexIncidenceHIV InfectionsFollow-Up StudiesOutcome Assessment (Health Care)Mentally Disabled PersonsHealth StatusRegression AnalysisAnalysis of VarianceNeuropsychological TestsDisability EvaluationPopulation SurveillanceSocioeconomic FactorsSensitivity and SpecificityDisease OutbreaksAgingRetrospective StudiesCognition DisordersHealth Status IndicatorsLogistic ModelsHealth SurveysChronic DiseaseLinear ModelsRisk AssessmentInfant, NewbornPredictive Value of TestsAlgorithmsPilot ProjectsData CollectionMagnetic Resonance ImagingAge DistributionCognitionModels, StatisticalGeriatric AssessmentMultivariate AnalysisDepressionReference ValuesResidence CharacteristicsPsychiatric Status Rating ScalesFactor Analysis, StatisticalDementiaData Interpretation, StatisticalPain MeasurementWalkingBody Mass IndexNetherlandsResearch DesignComorbiditySex DistributionStatistics as TopicGreat BritainBrainPatient SatisfactionSelf ReportDouble-Blind MethodSmokingInterviews as TopicMass ScreeningPregnancyBiological MarkersQuality Indicators, Health CareCaliforniaHospitalizationHealth Knowledge, Attitudes, PracticeMotor ActivityAdaptation, PsychologicalOdds RatioMental DisordersStress, PsychologicalRural PopulationSelf ConceptRiskCaregiversObesityPatient ComplianceEthnic GroupsAttitude to HealthPainUrban PopulationQuality of Health Care