Table 1. General characteristics of the subject

Variables Criteria Frequency, n (%)
Gender Male 49(41.18)
Female 70(58.82)

Age(yr) 65-70 21(17.65)
71-75 31(26.05)
76-80 30(25.21)
≧80 37(31.09)

Education Elementary 48(40.34)
Middle school 27(22.69)
High school 31(26.05)
University 11(9.24)
Graduate school 2(1.68)

Type of family Spouse 62(52.10)
Celibacy 30(25.21)
With son or daughers 24(20.17)
Unmarried sons and daughters or grand childern 3(2.52)
Other 0(0.00)

Income (Won/month) < 300,000 67(56.30)
300,000 ~ 490,000 11(9.25)
500,000 ~ 990,000 17(14.28)
1,000,000 ~ 1,990,000 13(10.92)
≥ 2,000,000 11(9.25)

Pin money (Won/month) < 100,000 33(27.73)
100,000 ~ 290,000 44(36.98)
300,000 ~ 499,000 27(22.69)
500,000 ~ 990,000 9(7.56)
> 1,000,000 6(5.04)