| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. No effect | 12 |
12.8%
|
| 2 | 2. Small | 22 |
23.4%
|
| 3 | 3. Moderate | 27 |
28.7%
|
| 4 | 4. Large | 32 |
34%
|
| 9 | 9. Don't know | 1 |
1.1%
|
| Sysmiss | 905 |