| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 117 |
4.9%
|
| 2 | Worse | 475 |
19.8%
|
| 3 | Same | 560 |
23.3%
|
| 4 | Better | 957 |
39.9%
|
| 5 | Much better | 103 |
4.3%
|
| 8 | Refused | 5 |
0.2%
|
| 9 | Don’t know | 183 |
7.6%
|