| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1159 |
90.8%
|
| 2 | Did not smoke cigarettes | 48 |
3.8%
|
| 3 | Yes | 50 |
3.9%
|
| 4 | No | 19 |
1.5%
|
| Sysmiss | 146 |