| Variables | Effective | Percentage (%) |
| Sex | 156 | 100 |
| Male | 95 | 60.9 |
| Female | 61 | 39.1 |
| Age group (years) | 156 | 100 |
| 16 - 25 | 5 | 3.2 |
| 26 - 35 | 14 | 8.9 |
| 36 - 45 | 26 | 16.7 |
| 46 - 55 | 37 | 23.7 |
| 56 - 65 | 46 | 29.4 |
| 66 - 75 | 20 | 12.9 |
| 76 - 85 | 8 | 5.1 |
| Total | 156 | 100 |