| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Not at all well | 225 |
18.8%
|
| 1 | Not very well | 435 |
36.3%
|
| 2 | Well | 281 |
23.4%
|
| 3 | Very well | 151 |
12.6%
|
| 9 | Don't know | 107 |
8.9%
|