| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1195 |
45.8%
|
| 2 | I did not smoke during the past year | 583 |
22.4%
|
| 3 | Yes | 628 |
24.1%
|
| 4 | No | 202 |
7.7%
|
| Sysmiss | 62 |