Among a sample of Medicaid-enrolled adults, attention-deficit/hyperactivity disorder (ADHD) was more common among those with autism than among adults in the general population. The highest ADHD rate, 40.2%, was among those with autism and intellectual disability. The next highest rate, 26.7%, was among those with autism alone. Among those with intellectual disability alone, 19.0% had ADHD. Among the general adult Medicaid population, about 2.7% had ADHD.

Among those with ADHD, about 26.6% had received a prescription for a medication to treat ADHD symptoms. Among the general population with ADHD, the prescription rate . . .

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Autism & I/DD

Intellectual and developmental disabilities (I/DD) are a physical and/or cognitive impairments that occur before the age of 22. Autism spectrum disorder is generally considered a type of developmental disability that affects behaviour and communication. The autism and I/DD market provides supports and health care services to these populations. Over the past decade, there has been an increase in the changes and challenges affecting I/DD and autism markets—the move to managed care and value-based care, the shift away from residential treatment, the increasing emphasis on consumer-directed care, and new workforce challenges.


About 90% of children with autism in Chile have at least one medical comorbidity. More than half had insomnia (61%) or were overweight (52%). About 28% had allergic rhinitis or atopic dermatitis, and 27% had constipation. Researchers analyzed a retrospective chart review of 544 children diagnosed with autism between 2015 and 2023 at a specialized pediatric neurodevelopmental center in Chile. The children’s comorbid medical conditions were identified through standardized caregiver interviews, clinical examination, body measurements,… Read