Psychometric properties of the World Health Organization quality of life assessment – brief in methadone patients: a validation study in northern Taiwan
Fu TS, Tuan YC, Yen MY, Wu WH, Huang CW, Chen WT, Li CS, Lee TS. Psychometric properties of the World Health Organization quality of life assessment – brief in methadone patients: a validation study in northern Taiwan. Harm Reduction Journal 2013, 10: 37. PMID: 24325611, PMCID: PMC4029077, DOI: 10.1186/1477-7517-10-37.Peer-Reviewed Original ResearchConceptsInjection drug usersWorld Health Organization QualityHealth Organization QualityDrug usersWHOQOL-BREFOrganization QualityFuture treatment outcome studiesMethadone maintenance treatmentBackgroundQuality of lifeImportant outcome measureTreatment outcome studiesInternal consistencyItem-domain correlationsCriterion-related validityPsychometric propertiesMaintenance treatmentMethadone patientsTest-retest reliabilityGeneral healthOverall QoLOutcome measuresOutcome studiesItem response distributionsQOL characteristicsDomain scores