| Value | Category | Cases | |
|---|---|---|---|
| 1 | No obstacle | 219 |
63.5%
|
| 2 | Minor obstacle | 32 |
9.3%
|
| 3 | Moderate Obstacle | 21 |
6.1%
|
| 4 | Major obstacle | 46 |
13.3%
|
| 5 | Very severe obstacle | 2 |
0.6%
|
| 90 | Not applicable | 24 |
7%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 1 |
0.3%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1380 |