| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1835 |
78.5%
|
| 2 | I did not smoke during the past 12 months | 210 |
9%
|
| 3 | Yes | 148 |
6.3%
|
| 4 | No | 146 |
6.2%
|
| Sysmiss | 16 |