| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 89 |
7.4%
|
| 2 | Worse | 479 |
39.9%
|
| 3 | Same | 196 |
16.3%
|
| 4 | Better | 382 |
31.8%
|
| 5 | Much better | 21 |
1.8%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 31 |
2.6%
|