| Value | Category | Cases | |
|---|---|---|---|
| 1 | Chest only | 59 |
38.1%
|
| 2 | Nose only | 57 |
36.8%
|
| 3 | Both | 35 |
22.6%
|
| 7 | Other | 0 |
0%
|
| 8 | Don't Know | 4 |
2.6%
|
| Sysmiss | 1297 |