| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3066 |
75.5%
|
| 2 | I was able to stop smoking | 515 |
12.7%
|
| 3 | Yes | 229 |
5.6%
|
| 4 | No | 250 |
6.2%
|
| Sysmiss | 84 |