Table 3 Distribution of cases and controls by sex and age
Lung cancer cases | Head and neck cancer cases | Controls | ||||
|---|---|---|---|---|---|---|
N | % | N | % | N | % | |
Sex | ||||||
Men | 2276 | 77.8 | 2054 | 85.1 | 2780 | 78.2 |
Women | 650 | 22.2 | 361 | 14.9 | 775 | 21.8 |
Age | ||||||
<40 | 60 | 2.1 | 50 | 2.1 | 116 | 3.3 |
40-45 | 121 | 4.1 | 101 | 4.2 | 352 | 9.9 |
45-49 | 290 | 9.9 | 313 | 13.0 | 361 | 10.2 |
50-54 | 446 | 15.2 | 454 | 18.8 | 363 | 10.2 |
55-59 | 552 | 18.9 | 538 | 22.3 | 653 | 18.4 |
60-64 | 507 | 17.3 | 406 | 16.8 | 535 | 15.0 |
65-69 | 486 | 16.6 | 280 | 11.6 | 651 | 18.3 |
≥70 | 464 | 15.9 | 273 | 11.3 | 524 | 14.7 |
Total | 2926 | 100.0 | 2415 | 100.0 | 3555 | 100.0 |