Wealthy School Systems More Likely to Spot Autism - Tue December 28, 2004 10:50 PM ET

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Wealthy School Systems More Likely to Spot Autism

Tue December 28, 2004 10:50 PM ET

By Charnicia E. Huggins

NEW YORK (Reuters Health) - Children with signs of autism are more likely to be diagnosed with the disorder in wealthier school districts, results of a new study show.

"For some reason school districts with more resources have the ability to capture a greater percentage of autistic kids that are residing in their districts," study author Dr. F. Palmer, of the University of Texas Health Science Center San , told Reuters Health.

In light of this finding, "it is important to consider providing resources to poorer districts and economically disadvantaged communities to help them identify children with ASDs (autistic spectrum disorders) and other developmental delays that require attention," write Palmer and his colleagues in the American Journal of Public Health.

Through the Individuals with Disabilities Education Act, children with ASDs are eligible for special education services such as one-on-one instruction and behavioral interventions, from birth to 21 years old. Yet, up to 80 percent of children with an autistic spectrum disorder are not diagnosed until school age, studies show.

In the current study, Palmer and his team investigated the effect of community and school district resources on the identification of children with autism.

They looked at 1,040 school districts in Texas, representing approximately 4 million kindergartners through twelfth graders, from the 1994-1995 though the 2000-2001 school year.

In 1994-1995, 2.5 out of every 10,000 children, on average, were identified as having autistic disorder. This rate increased by about one child per 10,000 per year, the report indicates.

Revenue in the school districts ranged from $100,000 to $966.7 million, with the average being $17.4 million.

School districts with the highest revenues showed a three-fold increase in their rates of identification of children with autistic disorder, similar to the increasing rates of autism identified throughout the nation, Palmer and his team report.

"This disorder is exponentially increasing over time," said Palmer, who describes the phenomenon as an "epidemic."

Yet, districts with the lowest revenues showed little change in their rate of identification during the study period, Palmer and his team report.

By the end of the study period, for example, 21 out of every 10,000 children in the highest revenue districts were diagnosed with autism, compared with 3.5 per 10,000 children in the lowest revenue districts.

"Is there really less kids with autism in (poorer districts)?" Palmer asked. "I would think not."

Citing the importance of the "parental push factor," Palmer said that parents in wealthier districts may be better educated and more assertive and may push for the resources their child needs. On the other hand, even if children in poorer districts are identified and diagnosed with autism, the lack of resources may force schools to "scramble" to provide even sub-par services, he said.

SOURCE: American Journal of Public Health, January 2005.

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