Younus MI, et al. – The reliability and validity of the 12–item Chinese version of the World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0) were examined for the assessment of disability in patients with Kashin–Beck disease (KBD). Results approved that the Chinese version of 12–item WHODAS 2.0 questionnaire was a reliable and valid instrument for patients with KBD.