| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 285 |
45.1%
|
| 2 | I did not smoke during the past year | 158 |
25%
|
| 3 | Yes | 140 |
22.2%
|
| 4 | No | 49 |
7.8%
|
| Sysmiss | 6 |