An International Multicenter Comparison of IBD-Related Disability and Validation of the IBDDI

The IBD disability index (IBDDI) has been shown to be valid and reliable. We compared the distributional and predictive properties of the IBDDI, when collected from five populations of people living with IBD- from Winnipeg, Chicago, Toronto, Hong Kong, and Jerusalem.People with IBD from five jurisdictions were invited to complete a survey including the IBDDI, the World Health Organization Disability Assessment Scale, the Work and Social...