Health status of Medicare-enrolled autistic older adults with and without co-occurring intellectual disability: An analysis of inpatient and institutional outpatient medical claims.
Autistic elders with ID carry heavier brain and gut risks, while those without ID face more metabolic and mood problems—screen each group differently.
01Research in Context
What this study did
Shepherd et al. (2021) looked at every Medicare bill for autistic adults over 65.
They split the group into those who also had intellectual disability and those who did not.
The team counted how often each group went to hospital for different body systems.
What they found
Seniors with autism plus ID landed in hospital most for brain, gut, and psychotic conditions.
Seniors with autism but no ID showed more diabetes, heart, mood, and drug-use problems.
The two groups had almost opposite medical maps.
How this fits with other research
McMaughan et al. (2023) saw the same high-cost hospital pattern in autistic teens and young adults.
Their work extends this paper down the age ladder, showing the inpatient load starts early.
Weiss et al. (2001) found 70 % of institutionalized adults with ID had constipation, matching the heavy GI burden Daniel saw in the ID subgroup.
Ferron et al. (2023) studied autistic adults without ID and linked their mood symptoms to low self-compassion, echoing Daniel’s higher mood-drug codes in the no-ID group.
The papers look different but tell one story: medical risk shifts with ID status across the lifespan.
Why it matters
You can screen smarter. If your autistic client has ID, watch seizures, reflux, and constipation. If they do not have ID, track blood sugar, blood pressure, and signs of anxiety or substance use. Build these checks into your care plan and share the red flags with the medical team.
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02At a glance
03Original abstract
Little is known about the extent to which the healthcare needs of autistic older adults with intellectual disability differ from autistic older adults without intellectual disability. Our study is the first, to our knowledge, to use US national data to compare physical and mental health conditions among autistic older adults with and without intellectual disability. The data analyzed in this study consisted of records from inpatient hospitalizations as well as "institutional outpatient" healthcare visits, which include visits to hospital outpatient departments, rural health clinics, renal dialysis facilities, outpatient rehabilitation facilities, Federally Qualified Health Centers, and community mental health centers. Autistic older adults with intellectual disability were significantly more likely to have thyroid disorders, epilepsy, respiratory infections, gastrointestinal conditions, osteoporosis, cognitive disorders, and schizophrenia/psychotic disorders. In contrast, autistic older adults without intellectual disability were significantly more likely to have obesity, diabetes, high blood pressure, cerebrovascular disease, chronic obstructive pulmonary disease, arthritis, back conditions, attention deficit disorders, substance use disorders, and suicidal ideation or intentional self-injury. These findings highlight the importance of developing distinct, tailored health management strategies for the autistic older adults with and without intellectual disability.
Autism : the international journal of research and practice, 2021 · doi:10.1177/1362361320955109