Table 4. Demographic Characteristics and Background.

Variables	Frequents(number of people)					χ²
Variables	60y	100y	sub total	total	ratio(%)	χ²
gender	man	16	18	34	36	94.44	χ²=2.118 (p=0.146)
gender	woman	2	0	2	36	5.56	χ²=2.118 (p=0.146)
age	fifties	2	5	7	36	19.44	χ²=2.619 (p=0.454)
	sixties	7	5	12		33.33
	seventies	8	8	16		44.44
	eighties	1	0	1		2.78
	sample’s average	67.7	66	66.8	−	−
education	elementary school graduate	1	0	1	36	2.78	χ²=2.602 (p=0.627)
	middle school graduate	1	0	1		2.78
	high school graduate	4	6	10		27.78
	college graduate	9	8	17		47.22
	master or PhD	3	4	7		19.44
average annual income	less than 1.5 million won	4	3	7	36	19.44	χ²=1.097 (p=0.895)
	1.5 million∼3.0 million won	5	3	8		22.22
	3.0 million∼4.5 million won	4	5	9		25.00
	4.5 million∼6.0 million won	2	3	5		13.89
	more than 6.0 million won	3	4	17		19.44
residents or not	absentee	8	11	19	36	52.78	χ²=1.003 (p=0.317)
residents or not	residents	10	7	17	36	47.22	χ²=1.003 (p=0.317)