| Value | Category |
|---|---|
| 1 | NO FORMAL SCHOOLING |
| 2 | LESS THAN PRIMARY SCHOOL COMPLETED |
| 3 | PRIMARY SCHOOL COMPLETED |
| 4 | LESS THAN O-LEVEL COMPLETED |
| 5 | O-LEVEL COMPLETED |
| 6 | A-LEVEL COMPLETED |
| 7 | COLLEGE/UNIVERSITY/TERTIARY COMPLETED |
| 8 | POST GRADUATE DEGREE COMPLETED |
| 77 | DON’T KNOW |
| 99 | REFUSED |