| Value | Category |
|---|---|
| 0 | never worked |
| 1 | employee of government agency, enterprise, parastatal |
| 2 | employee of non-profit organisation |
| 3 | employee of private company or household |
| 4 | employer/ self-employed / unpaid family business worker |
| 97 | wood+water is only reference week activity |
| 99 | dont know/ no answer |