| Value | Category | Cases | |
|---|---|---|---|
| 1 | Chest only | 23 |
30.7%
|
| 2 | Nose only | 41 |
54.7%
|
| 3 | Both | 11 |
14.7%
|
| 6 | Other | 0 |
0%
|
| 8 | Don't know | 0 |
0%
|
| Sysmiss | 31004 |