| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2444 |
79.9%
|
| 2 | I did not smoke during the past year | 422 |
13.8%
|
| 3 | Yes | 151 |
4.9%
|
| 4 | No | 40 |
1.3%
|
| Sysmiss | 79 |