Table 2 Case–control studies for radon and lung cancer in non-smokers
Author/year | Nation | Gender | Case (n) | Control (n) | Odds ratioa (95 % CI) | Median/mean of indoor radon level (Bq/m3) | Number of alpha track detector used | Places of detector | Duration of radon measurements (months) | Interview type | |
|---|---|---|---|---|---|---|---|---|---|---|---|
Case | Control | ||||||||||
Alavanja et al. 1994 | United States | Female | 538 | 1183 | 1.2 (0.9–1.7) | 67 | 67 | 2 | bedroom, kitchen | 12 | study subjects, proxy |
Lagarde et al. 2001 | Sweden | Both | 258 | 487 | 1.55 (0.88–2.73) | 87 | 80 | 2 | bedroom, living room | 3 | study subjects, proxy |
Kreuzer et al. 2002 | German | Female | 234 | 535 | NAb | 45 | 44 | 2 | bedroom, living room | 12 | study subjects |
Torres-Durán et al. 2014 | Spain | Both | 192 | 329 | 2.42 (1.45-4.06) | NA | 1 | bedroom | 3 | study subjects | |