In Canada, leukemia is diagnosed at a rate of 15 cases per 100,000 persons and accounts for about 3% of all new primary cancers. In this study, geographical correlation between residential radon exposure and leukemia incidence was investigated at a provincial level with more accurate long-term radon measurement data in 21,330 homes and 10-y (2000–2009) age standardized incidence rates per 100,000 population for various subtypes of leukemia. The analyses showed that the incidence rate of non-Hodgkin lymphoma is statistically significantly correlated with average indoor radon ( 222 Rn) concentration for Canadian females ( p = 0.01210) but not for males. At a provincial level, the association between average indoor radon level and chronic lymphocytic leukemia incidence rate is statistically significant ( p = 0.0167), and the correlation is somewhat stronger for females ( p = 0.0043). No correlation was found between indoor radon exposure and any other subtypes of leukemia evaluated in this study.
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Jing Chen (2024) studied this question.
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