Original Investigation

Colorectal Cancer Screening Among People With Intellectual Disabilities

JAMA Network Open 10.1001/jamanetworkopen.2025.57013

January 30, 2026 at 11:00 AM EST

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Do people with intellectual disabilities participate in and complete colorectal cancer screening to the same extent as those without such disabilities?In this register-based cohort study of 17 117 people with intellectual disabilities, screening participation and completion were significantly lower compared with a reference cohort. The proportion returning a stool sample increased with intellectual disability severity, whereas the proportion undergoing diagnostic examination after a positive screening test result decreased.These findings indicate substantial inequities, highlighting the need for tailored strategies to ensure equitable colorectal cancer screening access for people with intellectual disability.

Corresponding Author: Trine Allerslev Horsbøl, PhD, National Institute of Public Health, University of Southern Denmark, Studiestræde 6, DK-1455, Copenhagen, Denmark (tria@sdu.dk).

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