Table 2.

Drinking status by ALDH2 genotype among controls

ReferenceDrinking categories*1*1, n (%)*1*2, n (%)*2*2, n (%)
Matsuo et al. (15)Others104 (82.5)92 (95.8)19 (100)
Heavy drinkers22 (17.5)4 (4.2)0 (0)
Yokoyama et al. (16)Alcoholics476 (100)50 (100)0 (0)
Boonyaphiphat et al. (17)Nondrinker104 (48.4)24 (60.0)Excluded due to small numbers
≤60g/d66 (30.7)11 (27.5)
>60g/d45 (20.9)5 (12.5)
Itoga et al. (18)Nondrinkers8 (5.6)23 (26.1)10 (100)
Drinkers135 (94.4)65 (73.9)0 (0)
Yokoyama et al. (19)Never/rare21 (6.2)80 (32.0)41 (95.3)
Light96 (28.2)103 (41.2)2 (4.7)
Moderate135 (39.6)35 (14.0)0 (0)
Heavy78 (22.9)27 (10.8)0 (0)
Ex drinker11 (3.2)5 (2.0)0 (0)