| Value | Category | Cases | |
|---|---|---|---|
| 1 | Blocked nose | 199 |
4.1%
|
| 2 | Problem in chest | 241 |
5%
|
| 3 | Both | 112 |
2.3%
|
| 4 | other | 20 |
0.4%
|
| 8 | dk | 10 |
0.2%
|
| Sysmiss | 4257 |