| Value | Category | Cases | |
|---|---|---|---|
| 1 | Increased/improved | 8412 |
62.6%
|
| 2 | Decreased | 61 |
0.5%
|
| 3 | No effect | 165 |
1.2%
|
| 4 | Not applicable | 2711 |
20.2%
|
| 8 | Don't know | 2078 |
15.5%
|
| 9 | Missing value | 4 |
0%
|
| Sysmiss | 3914 |