| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4531 |
85.7%
|
| 2 | I did not smoke during the past 12 months | 485 |
9.2%
|
| 3 | Yes | 188 |
3.6%
|
| 4 | No | 82 |
1.6%
|
| Sysmiss | 12 |