Chlorinated pool attendance, atopy and the risk of asthma during childhood
2006

Chlorinated Pools and Asthma Risk in Children

publication Evidence: moderate

Author Information

Author(s): Alfred Bernard, Sylviane Carbonnelle, Marc Nickmilder

Primary Institution: Catholic University of Louvain

Hypothesis

Does attendance at indoor chlorinated pools increase the risk of asthma in children?

Conclusion

The study suggests that children attending indoor chlorinated pools may have a higher risk of asthma and respiratory allergies.

Supporting Evidence

  • Chlorine is a nonspecific biocide with both beneficial and adverse effects.
  • Children exposed to chlorinated pools inhale chlorine products directly.
  • The study found strong associations between chlorinated pool attendance and asthma indicators.
  • Previous studies have shown similar associations between chlorine exposure and respiratory issues.

Takeaway

Being in a chlorinated pool might make kids more likely to have asthma because they breathe in chemicals from the water.

Methodology

The study used objective measures and parent-reported data to analyze the relationship between chlorinated pool attendance and asthma risk.

Potential Biases

Potential confounding factors such as age and medication for asthma were considered but may still affect results.

Limitations

The study relied on parent and school director reports for pool attendance, which may introduce bias.

Participant Demographics

Children in 5th and 6th grades, aged 10-13 years.

Statistical Information

P-Value

0.35

Confidence Interval

1.09–1.60

Statistical Significance

p=0.35

Digital Object Identifier (DOI)

10.1289/ehp.8410

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