| Value | Category | Cases | |
|---|---|---|---|
| 1 | No obstacle | 170 |
49.3%
|
| 2 | Minor obstacle | 27 |
7.8%
|
| 3 | Moderate Obstacle | 8 |
2.3%
|
| 4 | Major obstacle | 6 |
1.7%
|
| 5 | Very severe obstacle | 0 |
0%
|
| 90 | Not applicable | 120 |
34.8%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 13 |
3.8%
|
| 99 | Missing | 1 |
0.3%
|
| Sysmiss | 1380 |