An association between Helicobacter pylori infection and cognitive function in children at early school age: a community-based study
2011

Helicobacter pylori Infection and Cognitive Function in Children

Sample size: 200 publication 10 minutes Evidence: moderate

Author Information

Author(s): Muhsen Khitam, Ornoy Asher, Akawi Ashraf, Alpert Gershon, Cohen Dani

Primary Institution: Department of Epidemiology and Preventive Medicine, School of Public Health, Sackler Faculty of Medicine, Tel-Aviv University

Hypothesis

H. pylori infection might negatively affect cognitive development.

Conclusion

H. pylori infection is associated with lower cognitive function at early school age, particularly in children from higher socioeconomic backgrounds.

Supporting Evidence

  • H. pylori infection was linked to lower IQ scores in children from higher socioeconomic communities.
  • The study controlled for socioeconomic and nutritional factors.
  • Children with H. pylori infection had significantly lower full-scale IQ scores compared to uninfected children.

Takeaway

Kids with a stomach bug called H. pylori might not do as well in school, especially if they come from families with more money.

Methodology

A community-based study assessed H. pylori infection and cognitive function in 200 children aged 6-9 years using stool samples and IQ tests.

Potential Biases

Potential residual confounding factors may still be present.

Limitations

The small sample size limited the precision of the effect estimates and the ability to assess the duration of H. pylori infection.

Participant Demographics

Children aged 6-9 years from different socioeconomic backgrounds in Israeli Arab communities.

Statistical Information

P-Value

0.02

Confidence Interval

95% CI -11.4, -0.8

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2431-11-43

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