| Total | Cases | Controls | |
| Subjects n | 5718 | 742 | 4976 |
| Age yrs | 68.4 (14) | 67.0 (10) | 68.8 (14) |
| Females | 3397 (59) | 315 (43) | 3082 (62) |
| Smoking status | |||
| Current smoker | 1290 (23) | 300 (40) | 990 (20) |
| Former smoker | 2311 (40) | 325 (44) | 1986 (40) |
| Never-smoker | 1960 (34) | 111 (15) | 1849 (37) |
| Missing data | 157 (3) | 6 (1) | 151 (3) |
| Smoking history pack-yrs | 9.0 (30) | 27.8 (32) | 6.8 (28) |
| rs13118928 | |||
| AA | 2099 (37) | 294 (40) | 1805 (36) |
| AG | 2698 (47) | 359 (49) | 2339 (47) |
| GG | 921 (16) | 89 (12) | 832 (17) |
| rs1828591 | |||
| AA | 2092 (37) | 293 (40) | 1799 (36) |
| AG | 2703 (47) | 360 (49) | 2343 (47) |
| GG | 923 (16) | 89 (12) | 834 (17) |
Data are presented as n (%), except for age and smoking history pack-yrs which are presented as median (interquartile range), unless otherwise indicated. A: adenine; G: guanine.