| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1108 |
67.3%
|
| 2 | I did not smoke during the past year | 205 |
12.5%
|
| 3 | Yes | 189 |
11.5%
|
| 4 | No | 144 |
8.7%
|
| Sysmiss | 54 |