Table 3.

Relative risk of upper digestive tract cancer (95% confidence interval), according to total alcohol intake and percentage of beer and spirits in total intake

% of total alcohol intake	Alcohol intake (drinks/week)
	1-6	7-21	>21
Beer:
0	1.7 (0.8 to 3.5)	1.2 (0.4 to 3.6)	1.9 (0.2 to 14)
1-30	1.9 (0.9 to 4.0)	1.7 (0.5 to 6.0)	3.0 (1.0 to 8.7)
>30	2.0 (0.6 to 6.2)	2.1 (1.1 to 4.2)	4.3 (2.2 to 8.4)
Spirits:
0	1.5 (0.9 to 3.1)	4.4 (1.6 to 12)	3.0 (1.3 to 7.2)
1-30	1.8 (0.7 to 4.7)	2.8 (1.2 to 6.8)	7.1 (2.8 to 18)
>30	2.5 (1.0 to 6.2)	2.9 (0.8 to 7.5)	10 (4.4 to 25)

Reference group=non-drinkers (relative risk 1.0)