Table 4.
Odds ratios between lung cancer and categories of time-weighted average occupational social prestige in various subgroups of the study population
| Subpopulation | Occupational prestige | Cases [N] | Controls [N] | OR (95 % CI) |
|---|---|---|---|---|
| Study Region | ||||
| Northern Europe a | High | 1,244 | 3,000 | 1.0 |
| Medium | 2,206 | 2,899 | 1.23 (1.11–1.38) | |
| Low | 2,876 | 2,629 | 1.60 (1.43–1.80) | |
| Southern Europe a | High | 452 | 710 | 1.0 |
| Medium | 943 | 1,104 | 1.08 (0.89–1.30) | |
| Low | 1,183 | 1,036 | 1.19 (0.96–1.46) | |
| East Europe a | High | 377 | 553 | 1.0 |
| Medium | 677 | 628 | 1.27 (1.02–1.57) | |
| Low | 871 | 722 | 1.24 (0.98–1.56) | |
| Canada a | High | 142 | 329 | 1.0 |
| Medium | 154 | 223 | 1.37 (0.96–1.95) | |
| Low | 308 | 314 | 1.53 (1.06–2.21) | |
| Smoking status | ||||
| Current smokers b | High | 1,217 | 947 | 1.0 |
| Medium | 2,388 | 1,424 | 1.12 (0.99–1.27) | |
| Low | 3,446 | 1,579 | 1.38 (1.22–1.58) | |
| Former smokers b | High | 886 | 2,121 | 1.0 |
| Medium | 1,454 | 2,169 | 1.31 (1.15–1.48) | |
| Low | 1,617 | 2,031 | 1.42 (1.24–1.62) | |
| Non-smokers b | High | 81 | 1,366 | 1.0 |
| Medium | 92 | 1,152 | 1.27 (0.90–1.81) | |
| Low | 106 | 988 | 1.64 (1.13–2.37) | |
| Educational level | ||||
| <6 years c | High | 97 | 143 | 1.0 |
| Medium | 643 | 606 | 1.57 (1.13–2.18) | |
| Low | 1,470 | 1,108 | 1.70 (1.22–2.37) | |
| 6–9 years c | High | 541 | 957 | 1.0 |
| Medium | 2,105 | 2,426 | 1.35 (1.18–1.55) | |
| Low | 3,043 | 2,611 | 1.56 (1.35–1.80) | |
| 10–13 years c | High | 761 | 1,518 | 1.0 |
| Medium | 944 | 1,390 | 1.20 (1.05–1.38) | |
| Low | 590 | 810 | 1.18 (0.98–1.42) | |
| University/college degree c | High | 816 | 1,974 | 1.0 |
| Medium | 288 | 432 | 1.08 (0.88–1.32) | |
| Low | 135 | 172 | 0.97 (0.68–1.36) | |
| Occupation | ||||
| Never “List A” job d | High | 2,128 | 4,458 | 1.0 |
| Medium | 3,428 | 4,412 | 1.21 (1.11–1.32) | |
| Low | 4,252 | 4,008 | 1.47 (1.34–1.61) | |
| Ever “List A” job d | High | 87 | 134 | 1.0 |
| Medium | 552 | 442 | 1.53 (1.08–2.17) | |
| Low | 986 | 693 | 1.63 (1.15–2.32) | |
| White collar job a | High | 1,833 | 3,989 | 1.0 |
| Medium | 1,084 | 1,712 | 1.09 (0.97–1.22) | |
| Low | 886 | 1,050 | 1.30 (1.13–1.50) | |
| Blue collar job a | High | 186 | 277 | 1.0 |
| Medium | 2,370 | 2,457 | 1.24 (0.99–1.55) | |
| Low | 3,728 | 3,094 | 1.43 (1.14–1.79) | |
| Mixed blue/white collar a | High | 196 | 326 | 1.0 |
| Medium | 526 | 685 | 1.08 (0.85–1.39) | |
| Low | 624 | 557 | 1.38 (1.06–1.79) |
a ORs adjusted for study center, log(age), smoking status with time since quitting (2–7, 8–15, 16–25 or ≥ 26 years before interview/diagnosis, other types of tobacco only, non-smokers), and log(pack-years + 1), ever working in “List A” occupation, and highest school education
b ORs adjusted for study center, log(age), ever working in “List A” occupation, and highest school education, pack-years and other types of tobacco only
c Model as in (a) without adjustment for educational level
d Model as in (a) without adjustment for “List A” job