Table 2.

Age-adjusted and multivariate RRs and 95% CIs for oral cancer among women by level of alcohol intake (g/d)

RRs (95% CIs) by level of alcohol intake*
0 g/d0.1-14.9 g/d15-29.9 g/d30+ g/d
No. cases43642119
Age-adjusted
    RR (95% CI)1.000.57 (0.39-0.84)1.29 (0.76-2.18)2.70 (1.57-4.65)§
Multivariate-adjusted
    RR (95% CI)1.000.59 (0.39-0.87)1.15 (0.67-1.97)1.92 (1.08-3.40)

NOTE: P = 0.02 for alcohol-folate interaction in the multivariate model controlling for age, pack-years of smoking, and current smoking status (not shown in the table).

  • *One alcoholic drink contains approximately 11 to 14 g of alcohol: regular beer, 12.8 g; light beer, 11.3 g; wine, 11 g; and liquor, 14 g.

  • Adjusted for age and follow-up time.

  • P ≤ 0.01.

  • §P ≤ 0.001.

  • Adjusted for age, follow-up time, pack-years of smoking, current smoking status, and folate intake.