| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 218 |
18.2%
|
| 2 | Worse | 352 |
29.3%
|
| 3 | Same | 385 |
32.1%
|
| 4 | Better | 199 |
16.6%
|
| 5 | Much better | 21 |
1.8%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 23 |
1.9%
|