Unadjusted prevalence of any fracture at any location for: (A) women with intellectual disabilities (Optum, n=4,604; Medicare, n=26,323); (B) men with intellectual disabilities (Optum, n=5,347; Medicare, n=33,182); (C) women with autism spectrum disorders (Optum, n=1,736; Medicare, n=4,180); (D) men with autism spectrum disorders (Optum, n=4,893; Medicare, n=11,035); (E) women with cerebral palsy (Optum, n=3,615; Medicare, n=10,455); and (F) men with cerebral palsy (Optum, n=3,733; Medicare, n=11,452).