| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1181 |
79.1%
|
| 2 | I did not smoke during the past 12 months | 140 |
9.4%
|
| 3 | Yes | 94 |
6.3%
|
| 4 | No | 78 |
5.2%
|
| Sysmiss | 2 |