| Socio-demographic characteristics | Number (N = 393) | Proportion % |
| Sex |
|
|
| Male | 282 | 71.8 |
| Female | 111 | 28.2 |
| Sex-ratio (H/F) = 2.5 | ||
| Age group |
|
|
| 15 - 25 | 71 | 18.1 |
| 26 - 35 | 159 | 40.2 |
| 36 - 45 | 107 | 27.2 |
| over 45 | 56 | 14.2 |
| Mean age = 35 ± 10 years; extremes 16 - 77 years | ||
| Occupation |
| |
| Civil servant | 196 | 49.9 |
| Self-employed | 86 | 21.9 |
| Pupil/Student | 46 | 11.7 |
| Housewife | 33 | 8.4 |
| Worker | 32 | 8.1 |
| Level of education |
|
|
| Not in school | 76 | 19.3 |
| Elementary | 23 | 5.9 |
| Secondary | 91 | 23.2 |
| Supérior | 199 | 50.6 |