QuestionnairesRisk FactorsCross-Sectional StudiesDepressionProspective StudiesFollow-Up StudiesTreatment OutcomeSeverity of Illness IndexLongitudinal StudiesCohort StudiesTime FactorsPsychiatric Status Rating ScalesSymptom AssessmentUnited StatesQuality of LifeAge FactorsSex FactorsPilot ProjectsAnalysis of VarianceNeuropsychological TestsHealth Knowledge, Attitudes, PracticeAnxietyLogistic ModelsInterviews as TopicStress, PsychologicalMagnetic Resonance ImagingDepressive DisorderBehavioral SymptomsReproducibility of ResultsCase-Control StudiesPsychometricsSelf ReportSmokingCognition DisordersRegression AnalysisAttitude to HealthHealth StatusComorbidityAdaptation, PsychologicalChronic DiseaseRetrospective StudiesFocus GroupsAfrican AmericansRisk AssessmentAffectCognitionIncidenceMotivationLinear ModelsHealth SurveysStress Disorders, Post-TraumaticActivities of Daily LivingAffective SymptomsPatient ComplianceMultivariate AnalysisPainBody Mass IndexFatigueQualitative ResearchOdds RatioPatient Education as TopicEmotionsPatient Acceptance of Health CareResearch SubjectsSocial SupportPredictive Value of TestsResearch DesignInterpersonal RelationsChi-Square DistributionRandomized Controlled Trials as TopicHIV InfectionsPsychomotor PerformanceSelf ConceptCognitive TherapyPain MeasurementPatient SelectionInternetSchizophreniaData CollectionReaction TimeAttentionHealth BehaviorPerceptionPersonality InventorySelf CareMotor ActivityStudentsExerciseAgingEuropean Continental Ancestry GroupAsthmaMass ScreeningDecision MakingEducational StatusGreat BritainSingle-Blind MethodDepressive Disorder, MajorObesityPsychotic DisordersSchizophrenic Psychology