| Socio-demographic parameters | Count (N = 18) | Percentage (%) |
| Age group (years) |
|
|
| ≤20 | 2 | 11.1 |
| [20 - 30[ | 3 | 16.7 |
| [30 - 40[ | 6 | 33.3 |
| [40 - 50[ | 3 | 16.7 |
| ≥50 | 4 | 22.2 |
| Gender |
|
|
| Male | 6 | 33.3 |
| Female | 12 | 66.7 |