| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1951 |
80.2%
|
| 2 | I have already stopped smoking cigarettes | 240 |
9.9%
|
| 3 | Yes | 136 |
5.6%
|
| 4 | No | 106 |
4.4%
|
| Sysmiss | 88 |