| Valeur | Catégorie |
|---|---|
| 0 | Does not have either card or other document |
| 1 | Has only health card and was seen |
| 2 | Has only health card and wasn't seen |
| 3 | Has only other document and was seen |
| 4 | Has only other document and wasn't seen |
| 5 | Has card/other document but only card was seen |
| 6 | Has card/other document but only other document was seen |
| 7 | Has card/other document and both were seen |
| 8 | Has card/other document and none were seen |