| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 7 |
0.3%
|
| 1 | Much Worse | 19 |
0.8%
|
| 2 | Worse | 85 |
3.5%
|
| 3 | Same | 175 |
7.3%
|
| 4 | Better | 1293 |
53.9%
|
| 5 | Much Better | 586 |
24.4%
|
| 9 | Don't know | 233 |
9.7%
|
| 98 | Refused | 0 |
0%
|