| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 15 |
1.3%
|
| 1 | Much worse | 45 |
3.8%
|
| 2 | Worse | 234 |
19.5%
|
| 3 | Same | 241 |
20.1%
|
| 4 | Better | 455 |
37.9%
|
| 5 | Much better | 184 |
15.3%
|
| 9 | Don't know | 25 |
2.1%
|
| 998 | Refused | 0 |
0%
|