Table 2

Prevalence of various types of ADHD in the general population

From Wolraich et al. (1998)

Hyperactive/Impulsive
2.6
Inattentive
8.8
Combined
4.7
Total
16.1

M/F ratio 4:1

Comings et al. Theoretical Biology and Medical Modelling 2005 2:50   doi:10.1186/1742-4682-2-50