| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not available | 21 |
16.8%
|
| 2 | Uncomfortable | 24 |
19.2%
|
| 3 | Inappropriate | 20 |
16%
|
| 4 | Unnecessary | 60 |
48%
|
| 5 | Other | 0 |
0%
|
| Sysmiss | 7 |