Table 7 The association between alcohol cessation and risk of head and neck cancer.
From: Investigating the Association between Alcohol and Risk of Head and Neck Cancer in Taiwan
Cessation from alcohol drinking | All subjects | Former drinkers were light or moderate drinkers | Former drinkers were heavy drinkers | ||||||
|---|---|---|---|---|---|---|---|---|---|
Case n (%) | Control n (%) | OR (95% CI)a | Case n (%) | Control n (%) | OR (95% CI)a | Case n (%) | Control n (%) | OR (95% CI)a | |
Current regular drinker | 437 (53.9) | 314 (33.4) | Referent | 398 (58.8) | 294 (35.1) | Referent | 398 (58.2) | 294 (36.7) | Referent |
 < 5 years | 50 (6.2) | 32 (3.4) | 0.76 (0.46–1.26) | 16 (2.4) | 17 (2.0) | 0.57 (0.26–1.24) | 26 (3.8) | 11 (1.4) | 1.08 (0.50–2.33) |
5–9.9 years | 23 (2.8) | 25 (2.7) | 0.79 (0.42–1.50) | 11 (1.6) | 16 (1.9) | 0.76 (0.32–1.79) | 10 (1.4) | 5 (0.6) | 1.10 (0.35–3.45) |
 > 10 years | 34 (4.2) | 46 (4.9) | 0.46 (0.27–0.79) | 13 (1.9) | 32 (3.8) | 0.31 (0.14–0.65) | 15 (2.2) | 11 (1.4) | 0.75 (0.30–1.87) |
Never + occasional drinkers | 263 (32.4) | 517 (55.0) | 0.55 (0.43–0.71) | 235 (34.7) | 476 (56.9) | 0.54 (0.41–0.71) | 235 (34.4) | 476 (59.5) | 0.54 (0.42–0.71) |
Unknown | 4 (0.5) | 6 (0.6) | — | 4 (0.6) | 2 (0.2) | — | 0 (0.0) | 3 (0.4) | — |
