| Value |
Category |
| 1 |
1. No effect |
| 2 |
2. Small negative |
| 3 |
3. Moderate negative |
| 4 |
4. Large negative |
| 5 |
5. Positive effect |
| 9 |
9. Don't know |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.