| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3350 |
68.8%
|
| 2 | I do not smoke now | 1099 |
22.6%
|
| 3 | Yes | 235 |
4.8%
|
| 4 | No | 186 |
3.8%
|
| Sysmiss | 160 |