| Value | Category | Cases | |
|---|---|---|---|
| -99 | Missing response | 0 |
0%
|
| 1 | CHEST ONLY | 62 |
22.3%
|
| 2 | NOSE ONLY | 145 |
52.2%
|
| 3 | BOTH | 66 |
23.7%
|
| 6 | OTHER | 0 |
0%
|
| 8 | DON'T KNOW | 5 |
1.8%
|
| Sysmiss | 2286 |