Young adult outcomes in the follow‐up of the multimodal treatment study of attention‐deficit/hyperactivity disorder: symptom persistence, source discrepancy, and height suppression

In the MTA follow-up into adulthood, the ADHD group showed symptom persistence compared to local norms from the LNCG. Within naturalistic subgroups of ADHD cases, extended use of medication was associated with suppression of adult height but not with reduction of symptom severity.