| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1110 |
76.3%
|
| 2 | I have not stopped smoking | 82 |
5.6%
|
| 3 | 1-3 months | 86 |
5.9%
|
| 4 | 4-11 months | 42 |
2.9%
|
| 5 | One year | 38 |
2.6%
|
| 6 | 2 years | 30 |
2.1%
|
| 7 | 3 years or longer | 66 |
4.5%
|
| Sysmiss | 6 |