| Value | Category | Cases | |
|---|---|---|---|
| 1 | Chest only | 260 |
30.1%
|
| 2 | Nose only | 385 |
44.5%
|
| 3 | Both | 195 |
22.5%
|
| 6 | Other | 5 |
0.6%
|
| 8 | Don't know | 20 |
2.3%
|
| 9 | 1 | ||
| Sysmiss | 48341 |