| Variables |
| N | % |
| Gender | Female | 207 | 48.9 |
| Male | 216 | 51.1 | |
| Age | ≤30 | 89 | 21 |
| 31 - 35 | 67 | 15.9 | |
| ≥35 | 267 | 63.1 | |
| Marriage | Married | 420 | 99.3 |
| Unmarried | 3 | 0.7 | |
| Working hours per week | 0 - 30 | 18 | 4.3 |
| 30 - 60 | 375 | 88.6 | |
| ≥60 | 30 | 7.1 | |
| Education | Junior high school | 52 | 12.3 |
| High school | 75 | 17.7 | |
| College | 104 | 24.6 | |
| Graduate school | 160 | 37.8 | |
| Master degree and above | 32 | 7.6 |