Additional file 1: of Linguistic validation, validity and reliability of the British English versions of the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire and QuickDASH in people with rheumatoid arthritis

Table S1. Linking between Brief ICF Core Set for Rheumatoid Arthritis (RA) and the DASH. Table S2. Test retest reliability for the DASH (n = 170), WORKDASH (n = 53) and SPAMDASH (n = 19) items (linear weighted kappas). (DOCX 41 kb