Table 2 The number of deaths during the study period (1998–2013) due to lung cancer and all natural causes stratified by the ecologic exposure variables assigned to each mortality by geographic location including smoking prevalence (high) and radon vulnerability (high)
Threshold in Bq m−3 | All Natural Deaths (% of Total) | Lung Cancer Deaths (% of Total) | Ratio of the percentages | |
|---|---|---|---|---|
Total (N) | 457,242 | 34,443 | ||
Higher Smoking | 22.9 % | 26.2 % | 1.14 | |
High radon | 600 | 3.3 % | 3.7 % | 1.12 |
High radon | 500 | 3.2 % | 3.7 % | 1.16 |
High radon | 400 | 4.2 % | 4.8 % | 1.14 |
High radon | 300 | 6.5 % | 7.0 % | 1.08 |
High radon | 200 | 8.6 % | 9.5 % | 1.10 |
High radon | 150 | 11.1 % | 12.4 % | 1.12 |
High radon | 100 | 16.5 % | 18.0 % | 1.09 |
High radon | 50 | 22.2 % | 24.4 % | 1.10 |