TABLE 3.

The Sample Characteristic of This Study

	N	%
Gender
Male	9,224	74.7
Female	3,126	25.3
Age, years
19–29	1,372	11.1
30–39	2,779	22.5
40–49	4,359	35.3
50–59	3,462	28.0
≥60	378	3.1
Occupation
Manager	2,258	18.3
Clerical and administrative support	1,449	11.7
Sales	3,935	31.9
Research and development	2,473	20.0
Production line	2,215	17.9
Others	20	0.2
Total	12,350	100