| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 5174 |
80.6%
|
| 2 | I did not smoke during the past year | 641 |
10%
|
| 3 | Yes | 414 |
6.5%
|
| 4 | No | 187 |
2.9%
|
| Sysmiss | 86 |