| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 12 |
1%
|
| 1 | Much worse | 43 |
3.6%
|
| 2 | Worse | 113 |
9.4%
|
| 3 | Same | 249 |
20.8%
|
| 4 | Better | 579 |
48.3%
|
| 5 | Much Better | 173 |
14.4%
|
| 8 | Refused | 12 |
1%
|
| 9 | Don’t know | 17 |
1.4%
|