| Value |
Category |
| -9 |
Don't know |
| -8 |
|
| -7 |
Does not apply |
| 0 |
No Obstacle |
| 1 |
Minor Obstacle |
| 2 |
Moderate Obstacle |
| 3 |
Major Obstacle |
| 4 |
Very Severe Obstacle |
| 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.
