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DETERMINING THE SAMPLE SIZE REQUIRED FOR A COMMUNITY RADON SURVEY

Chen, Jing*; Tracy, Bliss L.*; Zielinski, Jan M.†‡; Moir, Deborah*

doi: 10.1097/01.HP.0000298226.47660.e5
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Radon measurements in homes and other buildings have been included in various community health surveys often dealing with only a few hundred randomly sampled households. It would be interesting to know whether such a small sample size can adequately represent the radon distribution in a large community. An analysis of radon measurement data obtained from the Winnipeg case-control study with randomly sampled subsets of different sizes has showed that a sample size of one to several hundred can serve the survey purpose well.

* Radiation Protection Bureau, Health Canada, Ottawa, Canada; Environmental Health Science Bureau, Health Canada, Ottawa, Canada; Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Canada.

For correspondence contact: J. Chen, Radiation Protection Bureau, Health Canada, Ottawa, Canada, or email at jing_chen@hc-sc.gc.ca.

(Manuscript accepted 16 October 2007)

©2008Health Physics Society