| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 9360 |
79.5%
|
| 2 | I have already stopped smoking cigarettes | 1085 |
9.2%
|
| 3 | Yes | 1167 |
9.9%
|
| 4 | No | 166 |
1.4%
|
| Sysmiss | 168 |