| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked a cigarette | 6049 |
68.4%
|
| 2 | I have successfully stopped smoking | 1272 |
14.4%
|
| 3 | Yes | 927 |
10.5%
|
| 4 | No | 595 |
6.7%
|
| Sysmiss | 92 |