| Variable | n (%) |
| Gender |
|
| Male | 63 (63.0) |
| Female | 37 (37.0) |
| Mean (SD) | 49.8 (16.5) |
| Age |
|
| Less than 20 yrs | 4 (4.0) |
| 21 - 30 | 8 (8.0) |
| 31 - 40 | 21 (21.0) |
| 41 - 50 | 18 (18.0) |
| Above 50 | 49 (49.0) |
| Residence |
|
| I | 61 (61.0) |
| II | 16 (16.0) |
| III | 13 (13.0) |
| IV | 10 (10.0) |