Parental Report of Diagnosed Autism in Children Aged 4-17 Years: United States, 2003-2004
May 5, 2006 Parental Report of Diagnosed Autism in Children Aged 4-17 Years: United States, 2003-2004 Two population-based studies conducted by the Centers for Disease Control (CDC) in selected U.S. locations reported autism spectrum disorders (ASD) prevalence of 3.4 and 6.7 per 1,000 children, respectively (1,2). CDC also conducts two nationally representative surveys, the National Health Interview Survey (NHIS) and the National Survey of Children's Health (NSCH), in which parents are asked whether their child ever received a diagnosis of autism. Because of similarities in methodology used by the two surveys . . .
