| Socio-demographic characteristics | Population | Frequency (%) |
| Age (years) | ||
| - <40 | 13 | 29.5 |
| - 40 - 49 | 14 | 31.8 |
| - 50 - 59 | 15 | 34.1 |
| - >60 | 2 | 4.6 |
| - Total | 44 | |
| School education level | ||
| - Not educated | 11 | 25 |
| - Primary | 25 | 56.8 |
| - Secondary | 7 | 15.9 |
| - Superior | 1 | 2.3 |
| - Total | 44 | 100 |
| Economic level | ||
| - Low | 23 | 52.3 |
| - Medium | 17 | 38.6 |
| - High | 4 | 9.1 |
| - Total | 44 | 100 |