| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2054 |
88.8%
|
| 2 | I did not smoke during the past year | 110 |
4.8%
|
| 3 | Yes | 136 |
5.9%
|
| 4 | No | 14 |
0.6%
|
| Sysmiss | 2 |