| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1034 |
71.7%
|
| 2 | I did not smoke during the past 12 months | 130 |
9%
|
| 3 | Yes | 153 |
10.6%
|
| 4 | No | 126 |
8.7%
|
| Sysmiss | 10 |