| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1479 |
66%
|
| 2 | I did not smoke during the past 12 months | 245 |
10.9%
|
| 3 | Yes | 413 |
18.4%
|
| 4 | No | 105 |
4.7%
|
| Sysmiss | 15 |