| Value | Category | Cases | |
|---|---|---|---|
| 1 | Chest only | 33 |
58.9%
|
| 2 | Nose only | 11 |
19.6%
|
| 3 | Both | 12 |
21.4%
|
| 7 | Other | 0 |
0%
|
| 8 | Don't know | 0 |
0%
|
| Sysmiss | 1011 |