title: Comparison of the health assessment questionnaire disability index and the short form 36 physical functioning subscale using Rasch analysis: comment on the article by Taylor and McPherson.
authors.forename: James F
authors.initials: JF
authors.lastname: Fries
authors.forename: Bonnie
authors.initials: B
authors.lastname: Bruce
authors.forename: Matthias
authors.initials: M
authors.lastname: Rose
mesh_terms: D015535:Arthritis, Psoriatic / Q000175:diagnosis*; D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D004185:Disability Evaluation; D006801:Humans; D011594:Psychometrics / Q000706:statistics & numerical data; D011795:Surveys and Questionnaires