| Value | Category | Cases | |
|---|---|---|---|
| 1 | No obstacle | 232 |
67.4%
|
| 2 | Minor obstacle | 44 |
12.8%
|
| 3 | Moderate Obstacle | 23 |
6.7%
|
| 4 | Major obstacle | 18 |
5.2%
|
| 5 | Very severe obstacle | 1 |
0.3%
|
| 90 | Not applicable | 25 |
7.3%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 1 |
0.3%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1381 |