Table 1. Basic characteristics of the study subjects.

	Discovery Sample			Replication Sample
	Total	Male	Female	Total	Male	Female
No. of subjects	2286	558	1728	1627	802	825
Age	51.37(13.75)	50.71(16.05)	51.58(12.92)	34.49(13.24)	31.43(7.97)	37.46(13.77)
No. of alcohol drinkers	972	296	676	167	137	30
Drinking consumption	2.14(1.00)	2.51(1.15)	1.98(0.88)	-	-	-

Note: age and drinking consumption are presented as mean (standard deviation).