| Value | Category | Cases | |
|---|---|---|---|
| 1 | chest only | 37 |
29.6%
|
| 2 | nose only | 50 |
40%
|
| 3 | both | 37 |
29.6%
|
| 6 | other | 1 |
0.8%
|
| 8 | don't know | 0 |
0%
|
| 11 | .Z | 18629 |