| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Chest only | 9 |
24.3%
|
| 2 | Nose only | 18 |
48.6%
|
| 3 | Both | 10 |
27%
|
| 6 | Other | 0 |
0%
|
| 8 | Don't know | 0 |
0%
|
| Sysmiss | 5292 |