| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1075 |
70.9%
|
| 2 | I did not smoke in the past years | 264 |
17.4%
|
| 3 | Yes | 119 |
7.8%
|
| 4 | No | 58 |
3.8%
|
| Sysmiss | 24 |