| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1061 |
61.9%
|
| 2 | Did not smoke cigarettes | 126 |
7.4%
|
| 3 | Yes | 354 |
20.7%
|
| 4 | No | 173 |
10.1%
|
| Sysmiss | 266 |