| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3108 |
86.7%
|
| 2 | I did not smoke during the past year | 195 |
5.4%
|
| 3 | Yes | 155 |
4.3%
|
| 4 | No | 128 |
3.6%
|
| Sysmiss | 18 |