| Value | Category | Cases | |
|---|---|---|---|
| 1 | Chest Only | 448 |
45.2%
|
| 2 | Nose Only | 272 |
27.4%
|
| 3 | Both | 206 |
20.8%
|
| 6 | Other | 5 |
0.5%
|
| 8 | Don't Know | 60 |
6.1%
|
| Sysmiss | 20227 |