| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 71 |
3%
|
| 2 | Worse | 255 |
10.6%
|
| 3 | Same | 488 |
20.3%
|
| 4 | Better | 948 |
39.5%
|
| 5 | Much Better | 478 |
19.9%
|
| 9 | Don't know | 160 |
6.7%
|
| 998 | Refused | 0 |
0%
|