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Autism Res. 2019 May;12(5):802-805. doi: 10.1002/aur.2106. Epub 2019 Apr 9.

Parent-reported prevalence of food allergies in children with autism spectrum disorder: National health interview survey, 2011-2015.

Author information

1
Department of Epidemiology and Biostatistics, Drexel University School of Public Health, Philadelphia, Pennsylvania.
2
New York State Department of Health, Albany, New York.
3
AJ Drexel Autism Institute, Philadelphia, Pennsylvania.

Abstract

Food allergies are frequently reported to co-occur with autism spectrum disorder (ASD), but the prevalence of this co-occurrence remains uncertain. In the present study, we examined parent-reported prevalence of co-occurring food allergy and ASD in a nationally representative sample of US children ages 2-17 in the National Health Interview Survey, study years 2011-2015. All analyses used survey weights to account for the complex sampling design. In the analytic sample of 53,365 children ages 2-17, there were 905 children with parent-reported ASD (prevalence of 1.7%) and 2,977 children with parent-reported food allergy (prevalence of 5.6%). Parent-reported food allergies were nearly 2.5 times more common in children with ASD (prevalence of 13.1%) than in children without ASD (5.4%). These results indicate that food allergies commonly co-occur with ASD, which may have etiological implications. Autism Research 2019, 12: 802-805. © 2019 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: Food allergies are frequently reported to occur with autism spectrum disorder (ASD), but the prevalence of this co-occurrence remains uncertain. In the present study, we examined parent-reported prevalence of co-occurring food allergy and ASD in a nationally representative sample of United States children. In the sample of 53,365 children ages 2-17, 1.7% of children were reported to have ASD, and 5.6% were reported to have food allergies. Parent-reported food allergies were nearly 2.5 times more common in children with ASD (13.1%) than in children without ASD (5.4%).

KEYWORDS:

allergy; children; co-morbid conditions; epidemiology

PMID:
30964233
DOI:
10.1002/aur.2106

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