| Value | Category | Cases | |
|---|---|---|---|
| 1 | No obstacle | 160 |
46.5%
|
| 2 | Minor obstacle | 66 |
19.2%
|
| 3 | Moderate Obstacle | 21 |
6.1%
|
| 4 | Major obstacle | 16 |
4.7%
|
| 5 | Very severe obstacle | 2 |
0.6%
|
| 90 | Not applicable | 73 |
21.2%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 6 |
1.7%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1381 |