| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2102 |
86%
|
| 2 | I did not smoke during the past 12 months | 161 |
6.6%
|
| 3 | Yes | 91 |
3.7%
|
| 4 | No | 89 |
3.6%
|
| Sysmiss | 28 |