| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 1 | Much worse | 90 |
7.5%
|
| 2 | Worse | 274 |
22.8%
|
| 3 | Same | 410 |
34.2%
|
| 4 | Better | 331 |
27.6%
|
| 5 | Much better | 89 |
7.4%
|
| 9 | Don't know | 3 |
0.3%
|