| Age group (years) | Frequency (n) | Percentage % |
| 18 - 28 | 41 | 39.8 |
| 29 - 39 | 47 | 45.6 |
| 40 - 49 | 11 | 10.7 |
| 50 - 59 | 4 | 3.9 |
| Total | 103 | 100 |
| Mean age 31.72 ± | 7.9 years |
|
| Median age 30 years |
|
|
| Minimum age | 20 |
|
| Maximum age | 59 |
|
| Gender |
|
|
| Male | 100 | 97.1 |
| Female | 3 | 2.9 |