Classical test theory and Rasch analysis validation of the Recent-Onset Arthritis Disability questionnaire in rheumatoid arthritis patients - Salaffi, Fausto; Franchignoni, Franco; Giordano, Andrea; Ciapetti, Alessandro; Gasparini, Stefania; Ottonello, Marcella (Clinical rheumatology, 2013)
Keywords: Activities of Daily Living; Adult; Aged; Arthritis, Rheumatoid - diagnosis; Arthritis, Rheumatoid - physiopathology; Arthritis, Rheumatoid - psychology; Disability Evaluation; Female; Humans; Male; Medicine; Medicine & Public Health; Middle Aged; Motor Activity; original Article; Outpatients - psychology; Psychometrics - methods; Psychometrics - standards; Reproducibility of Results; Rheumatology; Severity of Illness Index; Surveys and Questionnaires - standards; Disability; Functional status; Recent-Onset Arthritis Disability (ROAD) questionnaire; Patient-reported outcome; Psychometrics; Rheumatoid arthritis