| Value | Category | Cases | |
|---|---|---|---|
| 1 | Chest only | 10 |
34.5%
|
| 2 | Nose only | 16 |
55.2%
|
| 3 | Both | 2 |
6.9%
|
| 6 | Other | 0 |
0%
|
| 8 | Don't know | 1 |
3.4%
|
| Sysmiss | 32610 |