| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1669 |
67.7%
|
| 2 | I did not smoke during the past 12 months | 419 |
17%
|
| 3 | Yes | 266 |
10.8%
|
| 4 | No | 113 |
4.6%
|
| Sysmiss | 39 |