Cases N | Controls N | OR (95% CI)†, ‡ | |
---|---|---|---|
Family history of cancer (father) | |||
All type of cancer | |||
Never | 430 | 2503 | 1 (reference) |
Ever | 185 | 796 | †1.3 (0.9-1.6) |
Head and neck cancer | |||
Never | 576 | 3200 | 1 (reference) |
Ever | 39 | 99 | †1.5 (0.9-2.4) |
Family history of cancer (mother) | |||
All type of cancer | |||
Never | 543 | 2784 | 1 (reference) |
Ever | 97 | 603 | †0.9 (0.6-1.2) |
Head and neck cancer | |||
Never | 633 | 3378 | 1 (reference) |
Ever | 7 | 9 | †5.2 (1.2-23.9) |
Family history of cancer (brothers) | |||
All type of cancer | |||
Never | 229 | 1218 | 1 (reference) |
Ever | 77 | 288 | ‡1.4 (0.9-2.1) |
Head and neck cancer | |||
Never | 286 | 1467 | 1 (reference) |
Ever | 20 | 39 | ‡2.6 (1.2-5.8) |
Family history of cancer (sisters) | |||
All type of cancer | |||
Never | 190 | 1236 | 1 (reference) |
Ever | 72 | 309 | ‡1.4 (0.9-2.1) |
Head and neck cancer | |||
Never | 251 | 1517 | 1 (reference) |
Ever | 11 | 28 | ‡1.7 (0.6-4.2) |
Family history of cancer (any first-degree relative) | |||
All type of cancer | |||
Never | 250 | 1567 | 1 (reference) |
Ever | 333 | 1595 | †1.2 (0.9-1.5) |
1-2 | 329 | 1552 | 1.0 (0.8-1.3) |
≥3 | 4 | 43 | 1.5 (1.0-2.1) |
Head and neck cancer | |||
Never | 462 | 2784 | 1 (reference) |
Ever | 68 | 157 | †1.9 (1.2-2.8) |
1-2 | 64 | 150 | 1.7 (1.1-2.6) |
≥3 | 4 | 7 | 7.2 (1.3-40.1) |