| Value | Category | Cases | |
|---|---|---|---|
| 1 | Chest only | 75 |
43.1%
|
| 2 | Nose only | 64 |
36.8%
|
| 3 | Both | 33 |
19%
|
| 6 | Other | 2 |
1.1%
|
| 8 | Don't know | 0 |
0%
|
| Sysmiss | 8270 |