| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 687 |
59.5%
|
| 2 | I did not smoke during the past 12 months | 111 |
9.6%
|
| 3 | Yes | 210 |
18.2%
|
| 4 | No | 146 |
12.7%
|
| Sysmiss | 3 |