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Prevalence

CDC estimates 1 in 68 children has been identified with autism spectrum disorder

Latest snapshot shows proportion of children with autism and higher IQ on the rise

Infographic: Number of children identified with ASD: 1 in 68.

Number of children identified with ASD: 1 in 68

The Centers for Disease Control and Prevention (CDC) estimates that 1 in 68 children (or 14.7 per 1,000 eight-year-olds) in multiple communities in the United States has been identified with autism spectrum disorder (ASD).  This new estimate is roughly 30 percent higher than previous estimates reported in 2012 of 1 in 88 children (11.3 per 1,000 eight year olds) being identified with an autism spectrum disorder.    The number of children identified with ASD ranged from 1 in 175 children in Alabama to 1 in 45 children in New Jersey.

The surveillance summary report, “Prevalence of Autism Spectrum Disorder among Children Aged 8 Years – Autism and Developmental Disabilities Monitoring Network, 11 Sites, United States, 2010,” was published today in the CDC’s Morbidity and Mortality Weekly Report.  Researchers reviewed records from community sources that educate, diagnose, treat and/or provide services to children with developmental disabilities. The criteria used to diagnose ASDs and the methods used to collect data have not changed.

The data continue to show that ASD is almost five times more common among boys than girls:  1 in 42 boys versus 1 in 189 girls. White children are more likely to be identified as having ASD than are black or Hispanic children.

Levels of intellectual ability vary greatly among children with autism, ranging from severe intellectual challenges to average or above average intellectual ability.  The study found that almost half of children identified with ASD have average or above average intellectual ability (an IQ above 85) compared to a third of children a decade ago.

“Community leaders, health professionals, educators and childcare providers should use these data to ensure children with ASD are identified as early as possible and connected to the services they need,” said Coleen Boyle, Ph.D., M.S. hyg., director of CDC’s National Center on Birth Defects and Developmental Disabilities.

The report also shows most children with ASD are diagnosed after age 4, even though ASD can be diagnosed as early as age 2. Healthy People 2020, the nation’s 10-year health objectives, strives to increase the proportion of young children with an autism spectrum disorder (ASD) and other developmental delays who are screened, evaluated, and enrolled in early intervention services in a timely manner.

“The most important thing for parents to do is to act early when there is a concern about a child’s development,” said Marshalyn Yeargin-Allsopp, M.D., chief of CDC’s Developmental Disabilities Branch. “If you have a concern about how your child plays, learns, speaks, acts, or moves, take action. Don’t wait.”

If you suspect that your child may have ASD:

  • Talk to your child’s doctor about your concerns.
  • At the same time, call your local early intervention program or school system for a free evaluation.
  • It’s never too late to get help for your child.

 

Autism Prevalence Now 1 in 88 children, 1 in 54 boys

  

CDC estimates 1 in 88 children in United States has been identified as having an autism spectrum disorder

CDC data help communities better serve these children

The Centers for Disease Control and Prevention estimates that 1 in 88 children in the United States has been identified as having an autism spectrum disorder (ASD), according to a new study released today that looked at data from 14 communities. Autism spectrum disorders are almost five times more common among boys than girls – with 1 in 54 boys identified.

The number of children identified with ASDs ranged from 1 in 210 children in Alabama to 1 in 47 children in Utah. The largest increases were among Hispanic and black children.

The report, Prevalence of Autism Spectrum Disorders – Autism and Developmental Disabilities Monitoring Network, 14 Sites, United States, 2008, provides autism prevalence estimates from 14 areas. It was published today in the Morbidity and Mortality Weekly Report.

“One thing the data tells us with certainty – there are more children and families that need help,” said CDC Director Thomas Frieden, M.D., M.P.H. “We must continue to track autism spectrum disorders because this is the information communities need to guide improvements in services to help children.”

The results of CDC’s study highlight the importance of the Obama administration’s efforts to address the needs of people with ASDs, including the work of the Interagency Autism Coordinating Committee (IACC) at the U.S. Department of Health and Human Services. The IACC’s charge is to facilitate ASD research, screening, intervention, and education. As part of this effort, the National Institutes of Health has invested in research to identify possible risk factors and effective therapies for people with ASDs.

Study results from the 2008 surveillance year show 11.3 per 1,000 8-year-old children have been identified as having an ASD. This marks a 23 percent increase since the last report in 2009. Some of this increase is due to the way children are identified, diagnosed and served in their communities, although exactly how much is due to these factors is unknown. “To understand more, we need to keep accelerating our research into risk factors and causes of autism spectrum disorders,” said Coleen Boyle, Ph.D., M.S.Hyg., director of CDC’s National Center on Birth Defects and Developmental Disabilities.

The study also shows more children are being diagnosed by age 3, an increase from 12 percent for children born in 1994 to 18 percent for children born in 2000. “Unfortunately, 40 percent of the children in this study aren’t getting a diagnosis until after age 4. We are working hard to change that,” said Boyle.

Source:http://www.cdc.gov/media/releases/2012/p0329_autism_disorder.html

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