,000 children born between 1979 and 1987 in the Canadian province of Manitoba. These children are followed until 2006, and their … records are linked to provincial registries with outcomes data. We compare children with health conditions to their own …

Although mental disorders are common among children, we know little about their long term effects on child outcomes …. This paper examines U.S. and Canadian children with symptoms of Attention Deficit Hyperactivity Disorder (ADHD), depression … representative samples of children from both countries. Second, we focus on "screeners" that were administered to all children in our …

. We examine U.S. and Canadian children with symptoms of Attention Deficit Hyperactivity Disorder (ADHD), the most common … child mental health problem. Our innovations include the use of large nationally representative samples of children, the use … of questions administered to all children rather than focusing only on diagnosed cases, and the use of sibling fixed …