QuestionnairesQuality of LifeReproducibility of ResultsCross-Sectional StudiesPsychometricsPatient SatisfactionRisk FactorsPrevalenceProspective StudiesHealth Knowledge, Attitudes, PracticeAttitude of Health PersonnelHealth StatusFactor Analysis, StatisticalSeverity of Illness IndexTranslationsGreat BritainNetherlandsFollow-Up StudiesHealth SurveysAttitude to HealthCohort StudiesSickness Impact ProfileDisability EvaluationPain MeasurementPostal ServiceHealth Status IndicatorsJapanTranslatingSex FactorsSocioeconomic FactorsPilot ProjectsOccupational DiseasesEnglandActivities of Daily Living