| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 78 |
6.5%
|
| 2 | Worse | 172 |
14.3%
|
| 3 | Same | 245 |
20.4%
|
| 4 | Better | 462 |
38.5%
|
| 5 | Much better | 238 |
19.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 5 |
0.4%
|