| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. No effect | 23 |
24.5%
|
| 2 | 2. Small | 21 |
22.3%
|
| 3 | 3. Moderate | 19 |
20.2%
|
| 4 | 4. Large | 31 |
33%
|
| 9 | 9. Don't know | 0 |
0%
|
| Sysmiss | 905 |