| Variable | Number of Staff (n = 47) | Percentage |
| Old |
|
|
| <60 year | 27 | 57.4 |
| 60 - 69 year | 10 | 21.3 |
| ≥70 year | 10 | 21.3 |
| Sex |
|
|
| Female | 13 | 27.7 |
| Male | 34 | 72.3 |
| Total | 47 | 100.0 |