| Code | Description |
| 0 | No questions in section answered or all answered as '0' (No). |
| 1 | One question in section answered as '1' (Yes). |
| 2 | Two questions in section answered as '1' (Yes). |
| 3 | Three questions in section answered as '1' (Yes). |
| 4 | Four questions in section answered as '1' (Yes). |
| 5 | All five questions in section answered as '1' (Yes). |
| 8 | Refused |
| 9 | Unable to complete |