| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 3 |
0.2%
|
| 2 | Worse | 32 |
2.7%
|
| 3 | Same | 166 |
13.8%
|
| 4 | Better | 675 |
56.1%
|
| 5 | Much Better | 251 |
20.8%
|
| 9 | Don't know | 77 |
6.4%
|
| 998 | Refused | 0 |
0%
|