| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1673 |
80.3%
|
| 2 | I did not smoke during the past | 179 |
8.6%
|
| 3 | Yes | 116 |
5.6%
|
| 4 | No | 115 |
5.5%
|
| Sysmiss | 26 |