| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1725 |
82.3%
|
| 2 | I did not smoke during the past 12 months | 188 |
9%
|
| 3 | Yes | 108 |
5.2%
|
| 4 | No | 75 |
3.6%
|
| Sysmiss | 36 |