| Socio-demographic characteristics | Number | Percentage | |
| Sexe | Male | 4 | 36.4 |
| Female | 7 | 63.6 | |
| Age | 50 - 59 years | 10 | 90.9 |
| 60 - 69 years | 1 | 9.1 | |
| Profession | Housewife | 5 | 45.5 |
| State employee | 3 | 27.3 | |
| Trader | 2 | 18.2 | |
| Employee | 1 | 9.1 | |