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Table 1 Percentage of lung cancer deaths attributable to indoor radon according to smoking status and gender

From: Attributable risk of lung cancer deaths due to indoor radon exposure

Country (reference) Mean indoor radon (Bq/m3) Model used in risk estimation Ever-smokers Never-smokers Ever- and never-smokers
Male Female Total Male Female Total Male Female Total
United States
 ([2], 1999) 46 BEIR VI, EAC 12.5 13.7 12.9 25.8 26.9 26.4 14.1 15.3 13.9
   BEIR VI, EAD 8.7 9.6 9.1 18.9 19.7 19.1 9.9 10.8 9.8
Netherlands
 ([18], 2001) 23 Two-mutation carcinogenesis model - - - - - - 2 6 4
Sweden
 ([18], 2001) 110 Two-mutation carcinogenesis model - - - - - - 17 24 20
Canada
 ([15], 2005) 28 BEIR VI, EAC - - 7.3 - - 13.5 - - 7.8
 ([1], 2012) 42 EPA model 15.3 14.3 14.8 29.5 27.8 28.4 16 16 16
 ([17], 2013) 43 BEIR VI, EAC - - 12.3 - - 21.9 - - 13.6
France
 ([16], 2006) 89 BEIR VI, EAC - - 11 - - 50 - - 13
   BEIR VI, EAD - - 8 - - 36 - - 9
   European pooling study - - - - - - - - 5
Germany
 ([14], 2008) 49 European pooling study 5.0 5.2 - 5.2 5.2 - - - 5.0
Switzerland
 ([14], 2008) 78 European pooling study 8.2 8.6 - 8.8 8.8 - - - 8.3
United Kingdom
 ([20], 2009) 21 BEIR VI, EAC - - - - - - - - 6.0
   European pooling study - - - - - - - - 3.3
Portugal
 ([21], 2012) 81 BEIR VI, EAC 25 23 - 40 38 - 27 34 -
   BEIR VI, EAD 18 17 - 31 29 - 20 27 -
South Korea
 ([19], 2015) 62 BEIR VI, EAC 18.6 18.5 - 33.2 32.8 - 19.5 28.2 -
   BEIR VI, EAD - - - - - - 13.5 20.4 -
   European pooling study - - - - - - 8.3 8.3 -
  1. The values not presented in papers were left blank
  2. EAC exposure-age-concentration model, EAD exposure-age-duration model, EPA Environmental Protection Agency