| Characteristics | Number (n = 254) | Percentage |
| Sex |
|
|
| Male | 193 | 76.0 |
| Female | 61 | 24.0 |
| Age range |
|
|
| >15 - 20 | 12 | 4.7 |
| >20 - 25 | 113 | 44.5 |
| >25 - 30 | 97 | 38.2 |
| >30 - 35 | 32 | 12.6 |
| Level of study |
|
|
| 2nd to 3rd year | 98 | 38.6 |
| 4th to 5th year | 84 | 33.1 |
| 6th to 7th years | 72 | 28.3 |