| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1901 |
72.5%
|
| 2 | I did not smoke during the past year | 346 |
13.2%
|
| 3 | Yes | 231 |
8.8%
|
| 4 | No | 145 |
5.5%
|
| Sysmiss | 119 |