| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1959 |
88.3%
|
| 2 | I did not smoke during the past year | 133 |
6%
|
| 3 | Yes | 107 |
4.8%
|
| 4 | No | 19 |
0.9%
|
| Sysmiss | 29 |