The New York Times had a cover story recently reporting on the estimated prevalence of Attention-Deficit/Hyperactivity Disorder from the 2011-2012 National Survey of Children’s Health (they don’t identify the survey by name).
The story is going to get a lot of people interested in what is happening to children — every new datapoint on ADHD is noteworthy because it allows journalists to reopen the black box on childhood behavioral health disorders, and to raise the perennial alarm bells about over-diagnosis of children.
All of the issues raised in the article are valid. Many children with very mild impairments are getting a diagnosis, and enterprising drug companies are increasing demand for their product by implying that ADHD medications are a cure for generalized social impairments.
But — and this is critical – we have little systematic population-level data to compare the reported prevalence of a diagnosis with underlying data on ADHD symptoms in children. Continue reading…