| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 42 |
3.5%
|
| 2 | Worse | 105 |
8.8%
|
| 3 | Same | 607 |
50.6%
|
| 4 | Better | 392 |
32.7%
|
| 5 | Much better | 30 |
2.5%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 23 |
1.9%
|