| Father’s occupation | Age at diagnosis | |||
| 6 - 30 months | 31 - 60 months | |||
| Number | % | Number | % | |
| Civil servant | 116 | 55.2 | 66 | 42.9 |
| Worker | 22 | 10.5 | 30 | 19.5 |
| Trader | 60 | 28.6 | 54 | 35.1 |
| Jobless | 8 | 3.8 | 2 | 1.3 |
| Unavailable | 4 | 1.9 | 2 | 1.3 |
| Total | 210 | 100.0 | 154 | 100.0 |