The United Kingdom Childhood Cancer Study of exposure to domestic sources of ionising radiation: 1: radon gas
2002

Radon Gas and Childhood Cancer Risk

Sample size: 6000 publication 10 minutes Evidence: high

Author Information

Author(s): RA Cartwright, G Law, E Roman, KA Gurney, E Gilman, OB Eden, M Mott, K Muir, D Goodhead, G Kendall

Primary Institution: University of Leeds, Institute of Epidemiology

Hypothesis

Does exposure to domestic levels of radon gas increase the risk of childhood leukaemia?

Conclusion

The study found no evidence to support an association between higher radon concentrations and the risk of childhood cancers, with indications of decreasing cancer risks as radon levels increased.

Supporting Evidence

  • 2226 case homes and 3773 control homes were analyzed.
  • Results showed a clear trend of decreasing cancer risk with increasing radon concentration.
  • Adjustment for socioeconomic factors did not significantly alter the results.

Takeaway

This study looked at whether living in a house with radon gas makes kids more likely to get cancer. It found that higher radon levels might actually mean lower cancer risks.

Methodology

The study compared radon concentrations in homes of children diagnosed with cancer to those of matched controls, using passive radon detectors for measurement.

Potential Biases

There was a social class bias in participation, with higher socioeconomic groups more likely to participate.

Limitations

The study had a low percentage of matched radon measurements and potential participation bias due to socioeconomic differences.

Participant Demographics

Children under 15 years diagnosed with malignant diseases between 1992 and 1996.

Statistical Information

Confidence Interval

0.34–0.62

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600276

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