| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | No help at all | 50 |
4.2%
|
| 2 | No help | 98 |
8.2%
|
| 3 | No effect | 52 |
4.3%
|
| 4 | Helps a little | 420 |
35%
|
| 5 | Helps a lot | 570 |
47.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 10 |
0.8%
|