| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved | 3152 |
47.3%
|
| 2 | Stayed the same | 3292 |
49.4%
|
| 3 | Worsened | 149 |
2.2%
|
| 4 | Don't know | 49 |
0.7%
|
| 5 | Refuse to answer | 21 |
0.3%
|
| Sysmiss | 8 |