| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2795 |
57.9%
|
| 2 | I have not stopped smoking | 815 |
16.9%
|
| 3 | 1-3 months | 522 |
10.8%
|
| 4 | 4-11 months | 176 |
3.6%
|
| 5 | One year | 219 |
4.5%
|
| 6 | 2 years | 138 |
2.9%
|
| 7 | 3 years or longer | 166 |
3.4%
|
| Sysmiss | 95 |