Equivalence in the health assessment questionnaire (HAQ) across socio-demographic determinants: analyses within QUEST-RA

To investigate potential bias in scores of the Health Assessment Questionnaire (HAQ) related to socio-demographic (SD) background of patients with rheumatoid arthritis (RA)

Source: Seminars in Arthritis and Rheumatism - August 9, 2017 Category: Rheumatology Authors: Monika Hifinger, Sam Norton, Sofia Ramiro, Polina Putrik, Tuulikki Sokka-Isler, Annelies Boonen Source Type: research