Table 6.

Summary of Prevalence of Selected Coexisting Conditions in Children With ADHD

Comorbid DisorderEstimated
Prevalence (%)
Limits for
Prevalence (%)
Oppositional defiant disorder35.227.2, 43.8
Conduct disorder25.712.8, 41.3
Anxiety disorder25.817.6, 35.3
Depressive disorder18.211.1, 26.6
  • Taken from: Green M, Wong M, Atkins D, et al. Diagnosis of Attention Deficit/Hyperactivity Disorder. Technical Review 3.Rockville, MD: US Dept of Health and Human Services. Agency for Health Care Policy and Research; 1999. AHCPR publication 99-0050