| Value | Category |
|---|---|
| 0 | |
| 1 | Tea/milk-tea/drink with sugar |
| 2 | Freshly prepared solid food only |
| 3 | Overnight food |
| 4 | Tea/drink with freshly prepared solid food |
| 5 | Tea/drink with overnight food |
| 6 | Breastmilk |
| 7 | Tinned/powdered milk |
| 8 | Infant formula |
| 9 | Water + glucose |
| 10 | Oral rehydration solution |
| 11 | Cereal/porridge/pudding |
| 12 | Nothing |
| 13 | Other, specify |
| Sysmiss |