| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 75 |
6.3%
|
| 0 | Very badly | 35 |
2.9%
|
| 1 | Fairly badly | 124 |
10.4%
|
| 2 | Fairly well | 423 |
35.5%
|
| 3 | Very well | 257 |
21.6%
|
| 7 | Not applicable | 245 |
20.6%
|
| 9 | Don't know | 31 |
2.6%
|