Table 1.

Demographic characteristics of studied population

N	13,220
Age in years, mean (SD)	64.7 (9.4)
Sex (female), n (%)	7,524 (56.9)
Marital status, n (%)
Single, separated, or divorced	1,679 (12.7)
Married	9,188 (69.5)
Widowed	2,353 (17.8)
Education (total number of years), mean (SD)	7.4 (6.0)
Place of residence population (number of residents), n (%)
100,000+	7,910 (59.8)
15,000–99,999	1,454 (11.0)
2,500–14,999	1,399 (10.6)
< 2,500	2,457 (18.6)