| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2434 |
83.4%
|
| 2 | I did not smoke during the past year | 228 |
7.8%
|
| 3 | Yes | 160 |
5.5%
|
| 4 | No | 98 |
3.4%
|
| Sysmiss | 13 |