| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 10341 |
79.3%
|
| 2 | I have not stopped smoking | 549 |
4.2%
|
| 3 | 1-3 months | 744 |
5.7%
|
| 4 | 4-11 months | 389 |
3%
|
| 5 | One year | 317 |
2.4%
|
| 6 | 2 years | 272 |
2.1%
|
| 7 | 3 years or longer | 435 |
3.3%
|
| Sysmiss | 27 |