| Value | Category |
|---|---|
| 1 | Disabled |
| 2 | Orphan |
| 3 | Ethnic minority |
| 4 | Low income |
| 5 | Boarding student in minority area |
| 6 | Parent is deceased soldier |
| 7 | Parent is seriously wounded soldier |
| 8 | Live in remote or mountainous area |
| 9 | Parent is disabled government cadre |
| 10 | Parent is farmer |
| 11 | Other |
| Sysmiss |