| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 27 |
16.4%
|
| -7 | NE S'APPLIQUE PAS (SPONTANEOUS) | 9 |
5.5%
|
| 0 | Not an obstacle | 30 |
18.2%
|
| 1 | Minor obstacle | 30 |
18.2%
|
| 2 | Moderate obstacle | 38 |
23%
|
| 3 | Major obstacle | 28 |
17%
|
| 4 | A very serious obstacle | 3 |
1.8%
|
| Sysmiss | 931 |