WHODAS-Child: psychometric properties of the WHODAS 2.0 for children and youth among Italian children with autism spectrum disorder.

Purpose: A contribution to the Italian adaptation of the original English version of the World Health Organization Disability Assessment Schedule 2.0 for children and youth (WHODAS-Child), proxy-administered among children with autism spectrum disorder (ASD) without intellectual disability.

Materials And Methods: Observational and retrospective study with within-dependent variables by cross-sectional sampling on psychometric properties (internal consistency and construct/criterion validity) of the 36- and 7-item versions of the Italian WHODAS-Child.