| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes | 1792 |
78.5%
|
| 2 | I have already stopped smoking | 175 |
7.7%
|
| 3 | Yes | 292 |
12.8%
|
| 4 | No | 24 |
1.1%
|
| Sysmiss | 17 |