| Value | Category |
|---|---|
| 1 | His/her education and/or training |
| 2 | Household connections |
| 3 | Friends and/or relatives |
| 4 | Community networks |
| 5 | His/her political connections |
| 6 | His/her own initiative and perseverance |
| 7 | Financial support by the household |
| 8 | He/she was just lucky |
| 9 | Other (specify) |
| 10 | Do not know |
| 88 | Not applicable |
| 99 | Unspecified |