| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very badly | 81 |
6.8%
|
| 2 | Fairly badly | 259 |
21.6%
|
| 3 | Fairly well | 735 |
61.3%
|
| 4 | Very well | 119 |
9.9%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 4 |
0.3%
|