Table 1.
Characteristics of invited individuals and individuals who responded to the lung health check invitation
| All invited (n=95 297) | Responded to lung health check invitation (n=29 545) | Response (%) | Unadjusted OR (95% CI); p value | Adjusted OR (95% CI); p value | |
|---|---|---|---|---|---|
| Sex | |||||
| Female | 39 787 (41·8%) | 12 878 (43·6%) | 32·4% | 1 (ref) | 1 (ref) |
| Male | 55 509 (58·2%) | 16 666 (56·4%) | 30·0% | 0·90 (0·87–0·92); p<0·0001 | 0·91 (0·88–0·94); p<0·001 |
| Missing | 1 (<1·0%) | 1 (<1·0%) | .. | .. | .. |
| Age, years | |||||
| 55–59 | 34 836 (36·6%) | 9108 (30·8%) | 26·1% | 1 (ref) | 1 (ref) |
| 60–64 | 25 136 (26·2%) | 7562 (25·6%) | 30·1% | 1·22 (1·17–1·26); p<0·0001 | 1·17 (1·13–1·22); p<0·001 |
| 65–69 | 17 543 (18·4%) | 6363 (21·5%) | 36·3% | 1·61 (1·55–1·67); p<0·0001 | 1·48 (1·42–1·54); p<0·001 |
| 70–75 | 12 775 (13·4%) | 4652 (15·7%) | 36·4% | 1·62 (1·55–1·69); p<0·0001 | 1·43 (1·36–1·50); p<0·001 |
| >75 | 4979 (5·2%) | 1833 (6·2%) | 36·8% | 1·65 (1·55–1·75); p<0·0001 | 1·41 (1·32–1·50); p<0·001 |
| Missing | 28 | 27 | 96·4% | .. | .. |
| Ethnicity | |||||
| White | 59 886 (62·8%) | 18 913 (64·0%) | 31·6% | 1 (ref) | 1 (ref) |
| Asian | 11 690 (12·3%) | 3903 (13·2%) | 33·4% | 1·09 (1·04–1·13); p=0·0001 | 1·14 (1·09–1·20) p<0·001 |
| Black | 8987 (9·4%) | 2456 (8·3%) | 27·3% | 0·82 (0·78–0·86); p<0·0001 | 0·97 (0·93–1·03); p=0·320 |
| Mixed | 1971 (2·1%) | 599 (2·0%) | 30·4% | 0·95 (0·86–1·04); p=0·263 | 1·07 (0·96–1·18); p=0·217 |
| Other | 4821 (5·1%) | 1547 (5·2%) | 32·1% | 1·02 (0·96–1·09); p=0·466 | 1·09 (1·02–1·16); p=0·011 |
| Not stated | 1555 (1·6%) | 461 (1·6%) | 29·6% | 0·91 (0·82–1·02); p=0·105 | 0·91 (0·81–1·02); p=0·093 |
| Missing | 6387 (6·7%) | 1666 (5·6%) | 26·1% | .. | .. |
| National Index of Multiple Deprivation | |||||
| Quintile 1 (most deprived) | 35 300 (37·0%) | 9467 (32·0%) | 26·8% | 1 (ref) | 1 (ref) |
| Quintile 2 | 28 946 (30·4%) | 8652 (29·3%) | 29·8% | 1·16 (1·12–1·20); p<0·0001 | 1·14 (1·10–1·18); p<0·001 |
| Quintile 3 | 15 247 (16·0%) | 5193 (17·6%) | 34·1% | 1·41 (1·35–1·47); p<0·0001 | 1·37 (1·31–1·43); p<0·001 |
| Quintile 4 | 11 013 (11·6%) | 4255 (14·4%) | 38·6% | 1·72 (1·64–1·80); p<0·0001 | 1·65 (1·57–1·73); p<0·001 |
| Quintile 5 (least deprived) | 3776 (4·0%) | 1597 (5·4%) | 42·3% | 2·00 (1·87–2·14); p<0·0001 | 1·89 (1·76–2·04); p<0·001 |
| Missing | 1015 (1·1%) | 381 (1·3%) | 37·5% | .. | .. |
| Last recorded smoking status | |||||
| Current smoker | 48 518 (50·9%) | 11 685 (39·5%) | 24·1% | 1 (ref) | 1 (ref) |
| Former smoker | 34 145 (35·8%) | 13 369 (45·2%) | 39·2% | 2·03 (1·97–2·09); p<0·0001 | 1·89 (1·83–1·95); p<0·001 |
| Unknown or other | 12 633 (13·3%) | 4490 (15·2%) | 34·6% | 1·74 (1·67–1·81); p<0·0001 | 1·58 (1·45–1·72); p<0·001 |
| Missing | 1 (<1·0%) | 1 (<1·0%) | 100·0% | .. | .. |
Data are n (%). OR=odds ratio.