Table A3.

Mean and median of alcohol drinking (ml/day) by ADH1B Are48His genotype.

Study	Allele	Mean	Median	p
Central Europe	His/His or His/Arg	25.28	13.17	0.42
	Arg/Arg	25.01	11.36
Western Europe	His/His or His/Arg	21.12	9.47	0.01
	Arg/Arg	27.04	15.92
Heidelberg	His/His or His/Arg	45.96	27.69
	Arg/Arg	NA	NA
Japan	His/His or His/Arg	23.58	7.92	<0.01
	Arg/Arg	28.71	23.76

p-value was determined by Wilcoxon rank sum test.