Table 1.

General characteristics of subjects (N = 812)

Variables		Number	%
Gender	Male	397	48.9
	Female	415	51.1
Age(years)	≤49	137	16.9
	50-59	211	26.0
	60-69	205	25.2
	70-79	233	28.7
	≥80	26	3.2
Marital status	Single	217	19.1
	Married	657	80.9
Smoking*	NO	557	68.6
	Yes	227	28.0
Alcohol*	NO	453	55.8
	Yes	344	42.4
Regular exercise*	NO	436	53.7
	Yes	372	45.8

*excluded no-response.