| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1029 |
82.1%
|
| 2 | I did not smoke during the past 12 months | 73 |
5.8%
|
| 3 | Yes | 72 |
5.7%
|
| 4 | No | 80 |
6.4%
|
| Sysmiss | 7 |