QuestionnairesArthritis, RheumatoidDisability EvaluationAntirheumatic AgentsSeverity of Illness IndexHealth Status IndicatorsHealth StatusQuality of LifeReproducibility of ResultsActivities of Daily LivingArthritis, JuvenileArthritis, PsoriaticRheumatologyJointsPain MeasurementSeasonal Affective DisorderTreatment OutcomeRheumatic DiseasesBlood SedimentationCross-Sectional StudiesPsychometricsOutcome Assessment (Health Care)MethotrexateSickness Impact ProfileTranslationsProspective StudiesArthrographyFollow-Up StudiesScleroderma, SystemicArthritisPatient SatisfactionSulfasalazinePainScleroderma, DiffuseRisk AssessmentFactor Analysis, StatisticalFoot JointsFibromyalgiaCohort StudiesDisabled PersonsHand JointsPilot ProjectsDouble-Blind MethodSelf-AssessmentDisease ProgressionPredictive Value of TestsLongitudinal StudiesSynovitisOsteoarthritisTime FactorsRisk FactorsHandRegression AnalysisCross-Cultural ComparisonDrug Therapy, CombinationSensitivity and SpecificityPrevalenceNetherlandsLogistic ModelsGreat BritainFatigueArthralgiaRheumatoid FactorSex FactorsHealth SurveysHand StrengthAge FactorsWrist JointRange of Motion, ArticularAttitude to HealthIsoxazolesSpondylitis, AnkylosingQuality-Adjusted Life YearsStatistics, NonparametricEnglandEmploymentLinear ModelsPenicillamineReceptors, Tumor Necrosis FactorFeasibility StudiesPrognosisCase-Control StudiesAnti-Inflammatory Agents, Non-SteroidalDepressionEpidemiologic MethodsAntibodies, MonoclonalCost-Benefit AnalysisAnalysis of VarianceUnited StatesAge of OnsetChronic DiseaseMultivariate AnalysisComorbidityRecovery of FunctionPlacebosHealth Knowledge, Attitudes, PracticeRetrospective StudiesC-Reactive ProteinAttitude of Health PersonnelTumor Necrosis Factor-alpha