| Value | Category | Cases | |
|---|---|---|---|
| 1 | blocked nose | 3 |
75%
|
| 2 | problem in chest | 1 |
25%
|
| 3 | both | 0 |
0%
|
| 6 | other | 0 |
0%
|
| 8 | don't know | 0 |
0%
|
| Sysmiss | 6751 |