| Variables | Number (N = 138) | Percentage (%) |
| Age groups (in years) | ||
| [25 - 30] | 85 | 61.6 |
| [30 - 35] | 48 | 34.8 |
| ≥35 | 5 | 3.6 |
| Sex | ||
| male | 64 | 46.4 |
| female | 74 | 53.6 |
| Region of origin | ||
| Center | 52 | 37.7 |
| West | 30 | 21.7 |
| Littoral | 12 | 8.7 |
| South | 12 | 8.7 |
| East | 10 | 7.2 |
| Far North | 8 | 5.8 |
| North-West | 5 | 3.6 |
| South-West | 4 | 2.9 |
| Adamaoua | 3 | 2.2 |
| North | 2 | 1.4 |
| Number of years of service in age groups (in years) | ||
| <2 | 19 | 13.8 |
| [2 - 4] | 88 | 63.8 |
| [4 - 6] | 27 | 19.6 |
| ≥6 | 4 | 2.9 |