Journal article
Ontario Child Health Study: Prevalence of Attention Deficit Disorder with Hyperactivity
Abstract
The objective of this paper is to present data from the Ontario Child Health Study on the prevalence of attention deficit disorder with hyperactivity (ADDH). The overall prevalence of ADDH was 9.0% in boys and 3.3% in girls. There were no significant differences in the prevalence of ADDH by age or urban-rural status, but the disorder was significantly more common in boys than in girls. The prevalence of various subtypes of ADDH was also …
Authors
Szatmari P; Offord DR; Boyle MH
Journal
Journal of Child Psychology and Psychiatry, Vol. 30, No. 2, pp. 219–223
Publisher
Wiley
Publication Date
March 1989
DOI
10.1111/j.1469-7610.1989.tb00236.x
ISSN
0021-9630