| Value | Category | Cases | |
|---|---|---|---|
| 1 | Blocked nose | 291 |
56.2%
|
| 2 | Problem in chest | 161 |
31.1%
|
| 3 | Both | 51 |
9.8%
|
| 7 | Missing | 4 |
0.8%
|
| 8 | Other | 0 |
0%
|
| 9 | DK | 11 |
2.1%
|
| Sysmiss | 2186 |