| Value | Category | Cases | |
|---|---|---|---|
| 1 | Chest only | 35 |
58.3%
|
| 2 | Nose only . .. | 11 |
18.3%
|
| 3 | Both … | 13 |
21.7%
|
| 7 | Other ….. | 1 |
1.7%
|
| 8 | Don't know …… | 0 |
0%
|
| Sysmiss | 1251 |