| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2350 |
50.9%
|
| 2 | I have already stopped smoking cigarettes | 1060 |
22.9%
|
| 3 | Yes | 1137 |
24.6%
|
| 4 | No | 74 |
1.6%
|
| Sysmiss | 18 |