A 4-Year Follow-Up of Attention-Deficit/Hyperactivity Disorder in a Population Sample
Prior follow-up studies of ADHD have focused mostly on North America but rarely on European countries.
This article reports results from a 4-year follow-up study of a European population cohort. The authors hypothesized that new onsets of ADHD and persistence of ADHD would be predicted by baseline measures of conduct disorder, oppositional defiant disorder, and school difficulties.
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