Prevalence of Attention Deficit Hyperactivity Disorder, Conduct Disorder and Oppositional Defiant Disorder

This study investigates the prevalence of attention deficit hyperactivity disorder (ADHD), conduct disorder (CD), and oppositional defiant disorder (ODD) among elementary students in Shiraz. Utilizing a random cluster sampling method, 1300 students were recruited, and evaluated with CSI-4 (parents form). Data analysis revealed that 17.5% of the students have these three disorders, and the boys had a greater ratio. It included attention deficit (6.7%), hyperactivityimpulsivity (6%), Combined ADHD (5%), CD (5%), ODD (3.6%). These findings stress that prevalence of disruptive disorders are considerable in Shiraz, and need to be emphasized in the therapeutic and educational policies.