Social, demographic and lifestyle characteristics of lung cancer cases and controls
| Cases n (%) N=12074 | Controls n (%) N=120731 | Unadjusted OR for lung cancer (95% CI) | |
|---|---|---|---|
| Age at diagnosis (years) | |||
| >80 | 2639 (21.86) | 10797 (8.94) | 48.80 (39.72 to 59.97) |
| 75–80 | 2305 (19.09) | 8191 (6.78) | 56.19 (45.69 to 69.10) |
| 70–75 | 2212 (18.32) | 9940 (8.23) | 44.43 (36.13 to 54.64) |
| 65–70 | 1750 (14.49) | 11201 (9.28) | 31.20 (25.34 to 38.40) |
| 60–65 | 1488 (12.32) | 13475 (11.16) | 22.05 (17.90 to 27.16) |
| 55–60 | 896 (7.42) | 15439 (12.79) | 11.59 (9.37 to 14.33) |
| 50–55 | 469 (3.88) | 15963 (13.22) | 5.87 (4.70 to 7.32) |
| 45–50 | 220 (1.82) | 16756 (13.88) | 2.62 (2.06 to 3.34) |
| 40–45 | 95 (0.79) | 18969 (15.71) | 1.00 |
| Sex | |||
| Men | 7154 (59.25) | 58034 (48.07) | 1.57 (1.51 to 1.63) |
| Women | 4920 (40.75) | 62697 (51.93) | 1.00 |
| Townsend deprivation quintile | |||
| 5 (most deprived) | 2234 (18.50) | 15997 (13.25) | 1.94 (1.82 to 2.07) |
| 4 | 2640 (21.87) | 21071 (17.45) | 1.74 (1.64 to 1.85) |
| 3 | 2421 (20.05) | 23791 (19.71) | 1.41 (1.33 to 1.50) |
| 2 | 2236 (18.52) | 26540 (21.98) | 1.17 (1.10 to 1.25) |
| 1 (least deprived) | 2064 (17.09) | 28681 (23.76) | 1.00 |
| Missing Townsend records | 479 (3.97) | 4651 (3.85) | 1.43 (1.29 to 1.59) |
| Smoking status | |||
| Current very heavy (40+/day) | 471 (3.90) | 1466 (1.21) | 12.52 (11.14 to 14.09) |
| Current heavy (20–39/day) | 2589 (21.44) | 10928 (9.05) | 9.24 (8.61 to 9.90) |
| Current moderate (10–19/day) | 1,665 (13.79) | 8247 (6.83) | 7.87 (7.29 to 8.49) |
| Current light (1–9/day) | 607 (5.03) | 3765 (3.12) | 6.28 (5.68 to 6.96) |
| Current trivial (<1/day) | 7 (0.06) | 144 (0.12) | 1.89 (0.89 to 4.05) |
| Current, no qty recorded | 439 (3.64) | 4495 (3.72) | 3.81 (3.40 to 4.26 |
| Ex very heavy (40+/day) | 221 (1.83) | 841 (0.70) | 10.24 (8.75 to 12.00) |
| Ex heavy (20–39/day) | 1043 (8.64) | 4258 (3.53) | 9.55 (8.75 to 10.42) |
| Ex moderate (10–19/day) | 777 (6.44) | 4394 (3.64) | 6.89 (6.27 to 7.57) |
| Ex light (1–9/day) | 399 (3.30) | 2837 (2.35) | 5.48 (4.87 to 6.17) |
| Ex trivial (<1/day) | 13 (0.11) | 289 (0.24) | 1.75 (1.00 to 3.06) |
| Ex, no qty recorded | 1780 (14.74) | 16027 (13.27) | 4.33 (4.02 to 4.66) |
| Non-smoker | 1300 (10.77) | 50676 (41.97) | 1.00 |
| Missing smoking records | 763 (6.32) | 12364 (10.24) | 2.41 (2.20 to 2.64) |