| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. No effect | 25 |
26.6%
|
| 2 | 2. Small | 23 |
24.5%
|
| 3 | 3. Moderate | 19 |
20.2%
|
| 4 | 4. Large | 26 |
27.7%
|
| 9 | 9. Don't know | 1 |
1.1%
|
| Sysmiss | 905 |