| Demographic Characteristics | categories | Number (N) | Percent (%) |
| Age (years) | 23 - 40 | 68 | 35.4 |
| 31 - 40 | 100 | 52.1 | |
| 41 - 50 | 24 | 12.5 | |
| sex | Male | 5 | 2.6 |
| Female | 187 | 97.4 | |
| Marital status | Single | 43 | 22.4 |
| Married | 149 | 77.6 | |
| Work experience (years) | 1 - 5 | 60 | 31.3 |
| 6 - 10 | 60 | 31.3 | |
| 11 - 15 | 43 | 22.4 | |
| 16 - 20 | 23 | 12 | |
| 21 - 25 | 6 | 3.1 | |
| Working shift | Constant | 23 | 12 |
| Circular | 169 | 88 | |
| Overtime work (hours) | 0 - 50 | 47 | 24.5 |
| 51 - 100 | 125 | 65.1 | |
| 101 - 150 | 20 | 10.4 | |
| Education | Bachelors | 185 | 96.4 |
| Master | 7 | 3.6 |