Study Observes Reversal In Autism Trends

by Prachee published on -

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The clue to tackling autism, in the long run, might be in how the wealthy white community in California is living. The study of autism trends in the region for the past couple of decades has revealed the changing direction of the condition. From being a condition affecting the counties in California dominated by rich white sections of the society till a couple of decades ago, it is now more prevalent in poor white populations as well as minorities.

Autism spelled out in play letters

Autism trends show a reversal in California. Photo Credit: Shutterstock

The researchers studied autism caseload data of 20 years from 36 most populous counties in the state gathered from the California Department of Developmental Services. From the year 1993 to 2000, the prevalence of autism increased among all demographics. For births since 2000, trends in autism saw a shift. While earlier, autism heavily affected wealthy white in California, it now started declining.

However, the middle-income white population was experiencing a growth in cases, albeit at a slower pace. The growth of autism cases was quicker in lower-income areas. By 2013, notices the study, counties at the lower-income side of the scale had over double the cases amongst the white population, as compared to the white population in highest-income counties in the state of California.

“While autism was once considered a condition that occurs mainly among whites of high socioeconomic status, these data suggest that the brunt of severe autism is now increasingly being borne by low-income families and ethnic minorities,” said lead author Cynthia Nevison, Ph.D., an atmospheric research scientist with the Institute of Arctic and Alpine Research, who also studies environmental health.

While the authors of this study speculate the reasons for this trend to be environmental factors, some health experts suggest screening and diagnosis situations be at play. The team of researchers is further considering the possibility that wealthier families opt for private services instead of state-offered ones, whereas lower-income families lack proper access to healthcare.

The results of this study have been published in the Journal of Autism and Developmental Disorders.

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About the Author

Prachee is a content writer for Organic Facts and is responsible for writing on the latest wellness trends. A former Journalism & Media teacher, she prides herself on being able to seamlessly dabble between health, science, and technology. She has completed her Masters in Communication Studies from the University of Pune, India as well as an online course on “Introduction to Food and Health” from Stanford University, US. Prachee fancies herself to be a poet and a cook when the rare lightning of inspiration strikes.

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