| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 21 |
1.8%
|
| 2 | Worse | 107 |
8.9%
|
| 3 | Same | 75 |
6.3%
|
| 4 | Better | 716 |
59.7%
|
| 5 | Much Better | 162 |
13.5%
|
| 9 | Don't know | 119 |
9.9%
|
| 998 | Refused | 0 |
0%
|