| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 11 |
0%
|
| 0 | Not at all well | 3145 |
12.4%
|
| 1 | Not very well | 7430 |
29.3%
|
| 2 | Well | 8356 |
32.9%
|
| 3 | Very well | 3288 |
12.9%
|
| 9 | Don't know | 3167 |
12.5%
|
| 998 | Refused | 0 |
0%
|