Table 1. Background characteristics of subjects according to drinking habits by sex.

* : One Japanese drink (‘gou’) is equivalent to 22 g ethanol. The categories of 0.0-0.9, 1.0-1.9, 2.0-2.9, 3.0+, and 1.0+ Japanese drinks/day correspond to those of 0-153, 154-307, 308-461, 462+, and 154+ g ethanol/week.

† : Values are means ± standard deviation.

‡ : Family history in parents and/or siblings.

§ : Women who consumed 1.0+ Japanese drinks/day are grouped into one category.