| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1856 |
78.4%
|
| 2 | I did not smoke during the past year | 270 |
11.4%
|
| 3 | Yes | 130 |
5.5%
|
| 4 | No | 112 |
4.7%
|
| Sysmiss | 63 |