| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 809 |
66.6%
|
| 2 | I did not smoke during the past 12 months | 223 |
18.4%
|
| 3 | Yes | 94 |
7.7%
|
| 4 | No | 88 |
7.2%
|
| Sysmiss | 7 |