| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 83 |
3.6%
|
| 2 | Worse | 169 |
7.3%
|
| 3 | Same | 253 |
10.9%
|
| 4 | Better | 1053 |
45.3%
|
| 5 | Much Better | 668 |
28.7%
|
| 9 | Don't know | 98 |
4.2%
|
| 998 | Refused | 0 |
0%
|