Table 3.

One-Year Prevalence of Co-Occurring ­Conditions in Youth With ADHD^{5,10,21,24,68,87}

Oppositional defiant disorder or conduct disorder	30%–50%
Anxiety	30%–40%
Depression	20%–40%
Substance use disorder	20%–30%
Autism spectrum disorder	10%–30%
Seizure disorder	10%–20%
Eating disorder	Up to 20%
Bipolar disorder	8%–10%
Tourette syndrome	5%–10%
Disruptive mood dysregulation disorder	Undetermined

ADHD, attention-deficit/hyperactivity disorder