| Variables | Case | Control | p-value | ||
| N = 75 | % | N = 75 | % | ||
| Gender |
|
|
|
|
|
| M | 50 | 66.6 | 50 | 66.6 | 0.50 |
| F | 25 | 33.3 | 25 | 33.3 | 0.50 |
| Age/years |
|
|
|
|
|
| 2 - 6 | 35 | 46.6 | 35 | 46.6 | 0.50 |
| 7 - 11 | 23 | 30.6 | 23 | 30.6 | 0.50 |
| 12 - 16 | 17 | 22.6 | 17 | 22.6 | 0.50 |
| Profession of parents |
|
|
|
|
|
| Formal | 34 | 45 .3 | 49 | 65.3 | 0.006 |
| Informal | 41 | 54.7 | 26 | 34.7 | 0.006 |