| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1056 |
76.6%
|
| 2 | I have not stopped smoking | 78 |
5.7%
|
| 3 | 1-3 months | 66 |
4.8%
|
| 4 | 4-11 months | 39 |
2.8%
|
| 5 | One year | 57 |
4.1%
|
| 6 | 2 years | 28 |
2%
|
| 7 | 3 years or longer | 55 |
4%
|
| Sysmiss | 7 |