| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 725 |
81.2%
|
| 2 | Did not smoke cigarettes | 111 |
12.4%
|
| 3 | Yes | 37 |
4.1%
|
| 4 | No | 20 |
2.2%
|
| Sysmiss | 58 |