Estimating Cumulative Health Care Costs of Childhood and Adolescence Autism Spectrum Disorder in Ontario, Canada: A Population-Based Incident Cohort Study.
Ontario kids with autism rack up about $33,000 in health-care costs in the first ten years after diagnosis—use the figure to fight for steady, long-term funding.
01Research in Context
What this study did
Researchers tracked every Ontario child who got an autism diagnosis over 14 years. They added up health-care bills from birth to age 18 to see how costs grow.
The team used provincial insurance records so no costs were missed.
What they found
Costs start at about $4,700 in the first year after diagnosis. By year five the bill reaches $16,000. By year ten it hits $33,000 per child.
The curve keeps climbing, showing autism is a long-term budget driver.
How this fits with other research
Bush et al. (2021) found a similar yearly price tag in US kids: $4–5,600 each year. The Ontario study shows how those yearly bites stack into a $33k decade.
Reyer et al. (2006) saw seven-fold higher costs for autism kids back in 2006. The new numbers confirm the gap is still wide and growing.
Hamama et al. (2021) looked at teens and young adults. They found the highest spending happens in the transition years. Ontario’s curve hints the same jump occurs around age 14–15.
Jensen et al. (2014) showed autism diagnoses quadrupled in Denmark. More diagnoses plus rising costs means provinces must double their budgets, not just tweak them.
Why it matters
Use these dollar signs when you ask for more staff, more therapy hours, or better transition plans. Show funders that early money is only the down payment; the real bill arrives over ten years. Push for budgets that grow with the child, not ones that freeze after intake.
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02At a glance
03Original abstract
<h4>Background</h4>Few studies have estimated cumulative health care costs post-diagnosis for individuals with autism spectrum disorder (ASD).<h4>Objectives</h4>Using an incidence-based approach, the objective of this analysis was to estimate cumulative costs of ASD to the Ontario health care system of children and adolescents.<h4>Methods</h4>Using administrative health records from Ontario, Canada's most populous province, a retrospective, population-based, incident cohort study of children and adolescents aged 0-19 years old diagnosed with ASD was undertaken to estimate cumulative health care costs of ASD to the health care system from 2010 to 2019. Cumulative health care costs in 2021 Canadian dollars (CAD) from diagnosis to death or end of observation period were estimated using a consistent estimator based on the inverse probability weighting technique. Cumulative health care costs (and respective 95% confidence intervals [CI]) were estimated for 1, 5 and 10 years post-diagnosis by sex, age group and health service.<h4>Results</h4>In 2010, there were 2867 diagnosed cases of ASD; in 2019, the number of incident cases had risen to 6072. The first year (i.e., 1-year) post-diagnosis cost of ASD was $4710.18 CAD (95% CI 4560.28-4860.08); just under a third of costs were for physician services. Total cumulative 5- and 10-year discounted costs were $16,025.95 CAD (15,371.64-16,680.26) and $32,635.76 CAD (28,906.94-36,364.58), respectively. Mean costs were higher for females and older age groups.<h4>Conclusions</h4>These results suggest that costs of ASD are high in the year of diagnosis and then increase at a steady rate thereafter. This information will help with future resource planning within the health care sector to ensure individuals with ASD are supported once their diagnosis is established.
, 2023 · doi:10.1007/s41669-023-00441-y