High risk for attention deficit hyperactivity disorder among children of parents with childhood onset of the disorder: a pilot study

Abstract
OBJECTIVE: Although well-documented in clinical and epidemiological studies of attention deficit hyperactivity disorder (ADHD) in children, the familial nature of the adult syndrome has not been well investigated. One approach to evaluate the familial nature of adult ADHD is through a high-risk design aimed at estimating the risk for the disorder in children of parents with child-hood-onset ADHD. METHOD: Children at risk for ADHD were ascertained from the study group of 84 referred adults with clinical diagnoses of childhood onset of the disorder, confirmed by structured interviews. Diagnostic information on the disorder was derived from the ADHD module of the Schedule for Affective Disorders and Schizophrenia for School Age Children-- Epidemiologic Version, supplemented with information regarding treatment for ADHD for the affected child and school history including repeated grades, placement in special classes, and tutoring. RESULTS: Of the 84 children at risk, 48 (57%) met criteria for ADHD. The rate o...

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