| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 61 |
5.1%
|
| 2 | Worse | 249 |
20.8%
|
| 3 | Same | 579 |
48.3%
|
| 4 | Better | 205 |
17.1%
|
| 5 | Much better | 22 |
1.8%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 82 |
6.8%
|