| Value | Category | Cases | |
|---|---|---|---|
| 1 | Chest Only | 470 |
45.3%
|
| 2 | Nose Only | 287 |
27.6%
|
| 3 | Both | 212 |
20.4%
|
| 6 | Other | 5 |
0.5%
|
| 8 | Don't Know | 64 |
6.2%
|
| Sysmiss | 47999 |