Table 5. Basic statistics of variables(N=105)

Variable	M	SD	Minimum	Maximum	Remark
Gender	1.38	0.49	1	2	1=Male, 2=Female
Residence	1.29	0.46	1	2	1=Sejong city, 2= Other cities
Age	2.68	1.12	1	5	1=10s to 20s, 2=30s, 3=40s, 4=50s, 5=More than 60s
Job	3.22	1.21	1	5	1=Student, 2=Official, 3=Public institution worker, 4=Profession, 5=Etc