| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3414 |
77.5%
|
| 2 | I do not smoke now | 502 |
11.4%
|
| 3 | Yes | 343 |
7.8%
|
| 4 | No | 144 |
3.3%
|
| Sysmiss | 44 |