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Age of Both Parents Linked to Autism

Older mothers and fathers are more likely to have a child with autism, according to a recently published study led by researchers at The University of Texas Health Science Center at Houston (UTHealth).

The researchers compared 68 age- and sex-matched, case-control pairs from their research in Jamaica, where UTHealth has been studying autism in collaboration with The University of the West Indies in Kingston, Jamaica.

“This should put to rest discrepancies in previous studies showing that just maternal age or just paternal age are linked to having a child with autism,” said Mohammad Hossein Rahbar, Ph.D., principal investigator and professor of epidemiology and biostatistics at The University of Texas School of Public Health, part of UTHealth. “Our results revealed that the age of the father and the mother are jointly associated with autism in their children.”

The study found that mothers who had children with autism were on average 6.5 years older than women who did not have a child with autism. The corresponding age difference for fathers was 5.9 years.

Previous studies used statistical models that made it hard to assess both maternal and paternal age as joint risk factors, a problem called multicollinearity, Rahbar said, noting he was able to use more complex statistical models to avoid the problem.

The research was published this month in the Journal of Autism and Developmental Disorders.

Source: The University of Texas Health Science Center at Houston (UTHealth)

Age of Both Parents Linked to Autism

Janice Wood

Janice Wood is a long-time writer and editor who began working at a daily newspaper before graduating from college. She has worked at a variety of newspapers, magazines and websites, covering everything from aviation to finance to healthcare.

APA Reference
Wood, J. (2015). Age of Both Parents Linked to Autism. Psych Central. Retrieved on December 17, 2018, from https://psychcentral.com/news/2012/02/11/age-of-both-parents-linked-to-autism/34752.html

 

Scientifically Reviewed
Last updated: 6 Oct 2015
Last reviewed: By John M. Grohol, Psy.D. on 6 Oct 2015
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