Table 2. Age-adjusted risk ratios and incidence rates for head and neck cancer by alcohol use.
|
Age-adjusted
|
|||||
|---|---|---|---|---|---|
| Total alcohol consumption | Cases | HR | 95% CI | Incidence ratesa per 100 000 person-years | 95% CI |
| Men | |||||
| 0 drinks per day | 165 | 1.77 | 1.45–2.16 | 61.3 | 51.9–70.7 |
| <1 drink per day | 226 | 1.00 | (ref) | 34.4 | 30.0–39.0 |
| 1–3 drinks per day | 110 | 1.29 | 1.03–2.82 | 44.5 | 36.1–52.8 |
| >3 drinks per day | 110 | 2.25 | 1.79–2.82 | 77.6 | 63.1–92.1 |
| Women | |||||
| 0 drinks per day | 54 | 1.39 | 0.98–1.98 | 20.4 | 14.9–25.8 |
| <1 drink per day | 75 | 1.00 | (ref) | 14.7 | 11.3–18.0 |
| 1–3 drinks per day | 36 | 2.69 | 1.81–4.00 | 39.6 | 26.6–52.5 |
| >3 drinks per day | 18 | 5.16 | 3.08–8.63 | 75.3 | 40.5–110.1 |
95% CI=95% confidence interval; HR=hazard ratio.
a
Incidence rates by alcohol category and gender were applied to the entire AARP population.