| Variables | Levels | Number | Percentage (%) |
| Sex | Female | 11 | 24.4 |
| Male | 34 | 75.6 | |
| Education | No formal education | 7 | 15.6 |
| Primary | 13 | 28.9 | |
| Secondary | 16 | 35.6 | |
| Tertiary | 6 | 13.3 | |
| University | 3 | 6.7 | |
| Marital status | Married | 36 | 73.4 |
| Single | 4 | 8.9 | |
| Widowed | 8 | 17.8 |