| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. No effect | 22 |
22%
|
| 2 | 2. Small | 22 |
22%
|
| 3 | 3. Moderate | 15 |
15%
|
| 4 | 4. Large | 41 |
41%
|
| 9 | 9. Don't know | 0 |
0%
|
| Sysmiss | 899 |