| Value | Category | Cases | |
|---|---|---|---|
| 1 | No obstacle | 44 |
53%
|
| 2 | Minor obstacle | 18 |
21.7%
|
| 3 | Moderate Obstacle | 3 |
3.6%
|
| 4 | Major obstacle | 5 |
6%
|
| 5 | Very severe obstacle | 2 |
2.4%
|
| 90 | Not applicable | 10 |
12%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 1 |
1.2%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1642 |