| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. No effect | 2 |
11.1%
|
| 2 | 2. Small | 1 |
5.6%
|
| 3 | 3. Moderate | 3 |
16.7%
|
| 4 | 4. Large | 11 |
61.1%
|
| 9 | 9. Don't know | 1 |
5.6%
|
| Sysmiss | 981 |