| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1536 |
69.8%
|
| 2 | I do not smoke now | 300 |
13.6%
|
| 3 | Yes | 298 |
13.5%
|
| 4 | No | 67 |
3%
|
| Sysmiss | 19 |