| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3398 |
90.2%
|
| 2 | I have successfully stopped smoking | 229 |
6.1%
|
| 3 | Yes | 69 |
1.8%
|
| 4 | No | 70 |
1.9%
|
| Sysmiss | 28 |