| Value | Category | Cases | |
|---|---|---|---|
| 1 | Problem in chest | 6184 |
24.5%
|
| 2 | Blocked nose | 18992 |
75.4%
|
| 3 | Both | 0 |
0%
|
| 6 | Other | 0 |
0%
|
| 8 | Dk | 13 |
0.1%
|
| 9 | Missing | 10 |
0%
|
| Sysmiss | 818 |