| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1568 |
62%
|
| 2 | I did not smoke during the past 12 months | 280 |
11.1%
|
| 3 | Yes | 417 |
16.5%
|
| 4 | No | 265 |
10.5%
|
| Sysmiss | 20 |