| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2110 |
41.1%
|
| 2 | I have already stopped smoking cigarettes | 1177 |
22.9%
|
| 3 | Yes | 1618 |
31.5%
|
| 4 | No | 225 |
4.4%
|
| Sysmiss | 214 |