Table 1 Major characteristics of the study population
From: Risk factors for nasal malignancies in German men: the South-German Nasal cancer study
Year of birth | Cases (%) | Controls (%) |
|---|---|---|
< 1930 | 292 (12.2) | 63 (14.8) |
1930–39 | 859 (35.8) | 160 (37.5) |
1940–49 | 577 (24.0) | 96 (22.5) |
1950–59 | 367 (15.3) | 64 (15.0) |
1960–69 | 199 (8.3) | 37 (8.7) |
1970+ | 107 (4.5) | 7 (1.6) |
Total | 427 (100.0) | 2.401 (100.0) |
Community size | ||
< 5.000 | 134 (31.4) | 728 (30.3) |
5.000 < 10.000 | 83 (19.4) | 435 (18.1) |
10.000 < 100.000 | 127 (29.7) | 739 (30.8) |
100.000+ | 83 (19.4) | 499 (20.8) |
Chi2 = 0.92/p=0.82 | ||
Educational attainment | ||
Primary school or less | 289 (67.7) | 1329 (55.4) |
Secondary school | 77 (18.0) | 625 (26.0) |
College | 61 (14.3) | 447 (18.6) |
Chi2 = 22.8/p ≤0.0001 | ||
Site of malignancies | ||
Nasal cavity | 112 | - |
Paranasal sinuses | 135 | - |
Nasopharynx | 180 | - |