| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | chest only | 7 |
35%
|
| 2 | nose only | 9 |
45%
|
| 3 | both | 3 |
15%
|
| 6 | other | 0 |
0%
|
| 8 | don't know | 1 |
5%
|
| Sysmiss | 15694 |