| Value | Category | Cases | |
|---|---|---|---|
| 1 | Blocked nose | 89 |
34.9%
|
| 2 | Problem in chest | 108 |
42.4%
|
| 3 | Both | 31 |
12.2%
|
| 4 | Other | 21 |
8.2%
|
| 7 | Missing | 2 |
0.8%
|
| 9 | Don't know | 4 |
1.6%
|
| Sysmiss | 5929 |