| Value | Category | Cases | |
|---|---|---|---|
| 1 | chest only | 75 |
29.6%
|
| 2 | nose only | 87 |
34.4%
|
| 3 | both | 88 |
34.8%
|
| 6 | other | 3 |
1.2%
|
| 8 | don't know | 0 |
0%
|
| Sysmiss | 40141 |