Pollard, BethJohnston, MarieDixon, Diane2014-11-122014-11-122012-12-29Pollard, B, Johnston, M & Dixon, D 2012, 'Exploring differential item functioning in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC)', BMC Musculoskeletal Disorders, vol. 13, 265. https://doi.org/10.1186/1471-2474-13-265ORCID: /0000-0003-0124-4827/work/175113848http://hdl.handle.net/2164/385910208579engscaleosteoarthritisquality-of-lifehippsychometricsrheumatoid-arthritismeasurement equivalencevalidityWOMACitem biashealth-assessment questionnaireoutcome measuresdifferential item functioningordinal logistic-regressionclinical-trialsRasch analysisR MedicineRExploring differential item functioning in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC)Journal article10.1186/1471-2474-13-26513