Table 1.

General characteristics (Total number = 885)

Variables		Number	%
Sex	Male	291	32.9 %
	Female	594	67.1 %
Age (years)	mean±SD	70.3±6.2
Spouse	Yes	561	63.4 %
	No	324	36.6 %
Economic status	Low	268	30.3 %
	Middle	465	52.5 %
	High	152	17.2 %
Smoking	Non-smoker	819	92.5%
	Smoker	66	7.5%
Hypertension	No	438	49.5%
	Yes	447	50.5%
Diabetes mellitus	No	693	78.3%
	Yes	192	21.7%