Sample characteristics
| Not recorded (missing) | CT Scan (n=759) n (%) or mean (SD) | Control (n=787) n (%) or mean (SD) | ||
| Site | Liverpool | 425 (56%) | 431 (55%) | |
| Cambridge | 334 (44%) | 356 (45%) | ||
| Age (years) | 66.7 (4.10) | 66.3 (4.3) | ||
| Gender | Male | 532 (70%) | 551 (70%) | |
| Female | 227 (30%) | 236 (30%) | ||
| Marital group | Married/cohabiting | 3 | 502 (66%) | 519 (66%) |
| Not married/cohabiting | 256 (34%) | 266 (34%) | ||
| IMD | Quintile 1 (most deprived) | 265 (35%) | 265 (34%) | |
| Quintile 2 | 93 (12%) | 97 (12%) | ||
| Quintile 3 | 128 (17%) | 125 (16%) | ||
| Quintile 4 | 108 (14%) | 136 (17%) | ||
| Quintile 5 (least deprived) | 165 (22%) | 164 (21%) | ||
| Lung cancer experience | No | 4 | 442 (58%) | 433 (55%) |
| Yes | 315 (42%) | 352 (45%) | ||
| Cancer distress (T0)* | 2.23 (0.30) 9.86 (3.08) | 2.24 (0.30) 9.72 (2.99) | ||
Percentages were calculated based on available data.
*Logn scores in normal text, original scores in italics (analyses performed using logn scores).
IMD, Index of Multiple Deprivation.