| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3499 |
69.5%
|
| 2 | I have already stopped smoking cigarettes | 822 |
16.3%
|
| 3 | Yes | 595 |
11.8%
|
| 4 | No | 122 |
2.4%
|
| Sysmiss | 160 |