Any first-degree relative | ||||||
---|---|---|---|---|---|---|
History of cancer (any site) | History of head and neck cancer | |||||
‡No | Yes | OR (95% CI)† | §No | Yes | OR (95% CI)† | |
Cases/controls | Cases/controls | Cases/controls | Cases/controls | |||
Smoking | ||||||
Never | 19/563 | 27/559 | 1.1 (0.6-2.1) | 35/994 | 6/51 | 2.4 (1.0-7.0) |
Ever | 231/1002 | 306/1030 | 1.3 (1.1-1.5) | 427/1785 | 58/104 | 2.7 (1.8-3.4) |
Drinking | ||||||
≤2 glasses/day | 75/961 | 75/954 | 0.9 (0.6-1.4) | 123/1704 | 11/88 | 1.9 (1.0-3.5) |
>2 glasses/day | 167/597 | 254/631 | 1.4 (1.0-1.8) | 329/1066 | 52/67 | 2.6 (1.2-3.3) |
Smoking & drinking | ||||||
NS & D ≤2 glasses/day | 16/412 | 17/425 | 0.9 (0.4-1.9) | 30/740 | 1/39 | 1.2 (0.3-4.7) |
ES & D ≤2 glasses/day | 59/548 | 58/526 | 0.9 (0.6-1.4) | 93/962 | 10/47 | 1.6 (1.0-3.9) |
NS & D >2 glasses/day | 3/147 | 8/129 | 2.7 (0.6-11.6) | 5/248 | 4/10 | 18.8 (2.9-119.8) |
ES & D >2 glasses/day | 164/449 | 246/499 | 1.4 (1.0-1.8) | 324/815 | 48/57 | 2.1 (1.3-2.9) |