| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4605 |
76%
|
| 2 | I have stopped smoking successfully | 763 |
12.6%
|
| 3 | Yes | 463 |
7.6%
|
| 4 | No, I have not tried to stop smoking before | 226 |
3.7%
|
| Sysmiss | 273 |