| Characteristics | All screened participants | Baseline scan result negative | Baseline scan result indeterminate | Baseline scan result positive | p-value |
| Participants | 7582 | 5986 | 1451 | 120 | |
| Females | 1254 (16.5) | 1016 (17.0) | 210 (14.5) | 22 (18.3) | 0.06 |
| Age years median (IQR) | 58.0 (8) | 57.0 (8) | 59.0 (8) | 63.0 (10) | <0.001 |
| Current smoker | 4215 (55.6) | 3315 (55.4) | 809 (55.8) | 68 (56.7) | 0.94 |
| Pack-years median (IQR) | 37.8 (19.8) | 38.0 (19.8) | 38.7 (19.8) | 38.7 (24.0) | <0.001 |
Data are presented as n or n (%), unless otherwise stated. IQR: interquartile range.