| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2397 |
86.8%
|
| 2 | I have not stopped smoking | 91 |
3.3%
|
| 3 | 1-3 months | 118 |
4.3%
|
| 4 | 4-11 months | 33 |
1.2%
|
| 5 | One year | 36 |
1.3%
|
| 6 | 2 years | 34 |
1.2%
|
| 7 | 3 years or longer | 52 |
1.9%
|
| Sysmiss | 22 |