| Value | Category |
|---|---|
| -4 | missing data |
| -3 | refuse to answer |
| -2 | not applicable |
| -1 | do not know |
| 1 | central government |
| 2 | provincial government |
| 3 | local government |
| 4 | a government enterprise |
| 5 | private business |
| 6 | non profit institution(ngo,cbo,charity,embassy) |
| 7 | self employed |
| 8 | householder |