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No association between early gastrointestinal problems and autistic-like traits in the general population

Andrew J O Whitehouse1, Murray Maybery, John A Wray

  • 1Telethon Institute for Child Health Research, Centre for Child Health Research, University of Western Australia, Crawley, WA, Australia. awhitehouse@ichr.uwa.edu.au

Developmental Medicine and Child Neurology
|March 23, 2011
PubMed

Insights

Early childhood gastrointestinal problems do not predict autistic-like traits in adulthood. This study found no link between childhood digestive issues and later autistic traits in a general population sample.

Area of Science:

  • Developmental Pediatrics
  • Gastroenterology
  • Neurodevelopmental Disorders

Background:

  • Gastrointestinal (GI) problems are common in early childhood.
  • The potential link between early GI issues and neurodevelopmental outcomes, such as autistic traits, requires investigation.
  • Understanding these associations can inform early identification and intervention strategies.

Purpose of the Study:

  • To investigate the relationship between parent-reported gastrointestinal problems in early childhood and autistic-like traits in adulthood.
  • To determine if specific gastrointestinal symptoms in young children are associated with higher scores on the Autism Spectrum Quotient (AQ) in later life.
  • To examine the influence of measles, mumps, and rubella (MMR) vaccination on this potential relationship.

Main Methods:

  • Longitudinal study of 804 children, tracking gastrointestinal symptoms (constipation, diarrhea, bloating, reflux, feeding issues) at ages 1, 2, 3, and 5 years.
  • Autistic-like traits were assessed in early adulthood (mean age ~19.5 years) using the self-report Autism Spectrum Quotient (AQ).
  • Statistical analyses, including chi-squared tests, were used to compare AQ scores between children with and without early GI problems, and to assess the role of MMR vaccination.

Main Results:

  • No statistically significant differences in Autism Spectrum Quotient (AQ) scores were found between individuals who experienced early childhood gastrointestinal problems and those who did not.
  • Children with early GI issues were not more likely to score in the upper quintile on any AQ scale, indicating no increased risk for autistic traits.
  • Measles, mumps, and rubella (MMR) vaccination status was found to be unrelated to both early gastrointestinal symptoms and later autistic-like traits.

Conclusions:

  • Parent-reported gastrointestinal problems during early childhood are not associated with self-reported autistic-like traits in the general population.
  • The findings suggest that early GI symptoms are unlikely to be a predictive marker for autistic traits in adulthood.
  • This study contributes to the understanding of neurodevelopmental trajectories and the factors influencing them, highlighting the lack of a link with early digestive issues.
Abstract

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