| Age group (years) | Frequency (n) | Percent (%) |
| 16 - 26 | 12 | 25.0 |
| 27 - 37 | 9 | 18.8 |
| 38 - 48 | 13 | 27.1 |
| 49 - 59 | 6 | 12.5 |
| 60 - 70 | 8 | 16.7 |
| Gender |
|
|
| Male | 25 | 52.1 |
| Female | 23 | 47.9 |