DepressionSymptom AssessmentTime FactorsQuestionnairesSeverity of Illness IndexCognition DisordersAgingLongitudinal StudiesPsychiatric Status Rating ScalesTreatment OutcomeFollow-Up StudiesBehavioral SymptomsProspective StudiesRisk FactorsPrevalenceQuality of LifeAge FactorsCross-Sectional StudiesNeuropsychological TestsAffective SymptomsAnxietyCohort StudiesDepressive DisorderRetrospective StudiesFatigueDisease ProgressionSex FactorsStress Disorders, Post-TraumaticAsthmaCognitionUnited StatesStress, PsychologicalMagnetic Resonance ImagingRespiration DisordersSchizophreniaRegression AnalysisChronic DiseaseCoughActivities of Daily LivingComorbidityPsychometricsPainOccupational DiseasesAnalysis of VariancePsychotic DisordersSchizophrenic PsychologyLower Urinary Tract SymptomsIncidenceGastroesophageal RefluxForced Expiratory VolumeRespiratory Tract DiseasesDementiaPredictive Value of TestsBrainGastrointestinal DiseasesHealth StatusLinear ModelsLogistic ModelsUrination DisordersProdromal SymptomsRespiratory SoundsPsychophysiologic DisordersPersonality InventorySmokingHeadacheAdaptation, PsychologicalAlzheimer DiseaseDyspneaHealth SurveysOccupational ExposurePrognosisCase-Control StudiesHot FlashesRespiratory Function TestsReproducibility of ResultsSocioeconomic FactorsHallucinationsDyspepsiaAcute DiseaseRecurrenceAnxiety DisordersIrritable Bowel SyndromeGeriatric AssessmentDelusionsMemory DisordersPain MeasurementDepressive Disorder, MajorTomography, X-Ray ComputedMultivariate AnalysisPregnancyAffectDiagnostic and Statistical Manual of Mental DisordersLife Change EventsSelf ReportConstipationSyndromePsychological TestsRisk AssessmentInfant, NewbornAge Distribution