Quality of LifeQuestionnairesHealth StatusPsychometricsCross-Sectional StudiesSickness Impact ProfileReproducibility of ResultsHealth Status IndicatorsPatient SatisfactionProspective StudiesSeverity of Illness IndexRisk FactorsHealth SurveysPrevalenceActivities of Daily LivingFactor Analysis, StatisticalFollow-Up StudiesTreatment OutcomeParentsProxySocioeconomic FactorsHealth Knowledge, Attitudes, PracticePain MeasurementDisability EvaluationMental HealthCohort StudiesTranslationsDepressionNetherlandsAttitude of Health PersonnelSex FactorsAttitude to HealthSelf ReportStress, PsychologicalGreat BritainAnxietyAge FactorsAdaptation, PsychologicalTranslatingChronic DiseaseOutcome Assessment (Health Care)Regression AnalysisSelf-AssessmentLogistic ModelsTime FactorsPilot ProjectsFatigueJapanPainNorwayGermanyPostal ServiceSurvivorsData CollectionSelf ConceptLongitudinal StudiesCase-Control StudiesSwedenOccupational DiseasesEnglandLanguageBrazilUnited StatesFamily PracticeMultivariate AnalysisDietDiet SurveysInterviews as TopicChi-Square DistributionSmokingAsthmaHealth Care SurveysLinear ModelsAnalysis of VarianceEmploymentFood HabitsFranceStudentsChinaLife StylePhysiciansComorbidityStatistics, NonparametricSpainMass ScreeningEducational StatusCost of IllnessPerceptionPatient Acceptance of Health CarePrimary Health CareFibromyalgiaClinical CompetenceOdds RatioBody Mass IndexPatient Education as TopicSocial SupportHealth BehaviorExerciseDiet RecordsPulmonary Disease, Chronic Obstructive