| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2682 |
81.8%
|
| 2 | Did not smoke cigarettes | 234 |
7.1%
|
| 3 | Yes | 220 |
6.7%
|
| 4 | No | 141 |
4.3%
|
| Sysmiss | 216 |