| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 250 |
10.4%
|
| 2 | Worse | 993 |
41.4%
|
| 3 | Same | 646 |
26.9%
|
| 4 | Better | 453 |
18.9%
|
| 5 | Much better | 19 |
0.8%
|
| 8 | Refused | 2 |
0.1%
|
| 9 | Don’t know | 37 |
1.5%
|