Cross-cultural adaptation of the World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0) for Hebrew-speaking subjects with and without hand injury

AbstractPurpose: The World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0) questionnaire is used internationally to assess function and disability. The instrument has been translated into several languages, but no Hebrew version exists. The objective of this study was to evaluate the use of the 12-item WHODAS 2.0 questionnaire among Hebrew speakers with and without hand injuries (HI).Methods: The translated questionnaire was conducted among 155 uninjured subjects (UI) and 77 male workers with HI. Internal consistency was assessed using Cronbach’s alpha. Test–retest reliability was assessed in UI subjects and calculated using the intraclass correlation coefficient (ICCagreement). Validity was evaluated by correlating the 12-item WHODAS 2.0 to the short-form of health survey (SF-12) in UI subjects and comparing the 12-item WHODAS 2.0 scores and the Quick Disability of Arm, Shoulder, and Hand (QDASH) Outcome Measure in the HI group.Results: The Cronbach’s alpha of the WHODAS 2.0 for the e...