| Value | Category |
|---|---|
| 0 | Not disabled |
| 1 | Physical disability at the time of birth |
| 2 | Mental disability at the time of birth |
| 3 | Both physical and mental disability at the time of birth |
| 4 | Physical disability after birth day |
| 5 | Mental disability after birth day |
| 6 | Both physical and mental disability after birth day |