| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 905 |
59.1%
|
| 2 | I have not stopped smoking | 134 |
8.7%
|
| 3 | 1-3 months | 201 |
13.1%
|
| 4 | 4-11 months | 75 |
4.9%
|
| 5 | One year | 66 |
4.3%
|
| 6 | 2 years | 59 |
3.9%
|
| 7 | 3 years or longer | 92 |
6%
|
| Sysmiss | 24 |