| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1223 |
79.6%
|
| 2 | I have not stopped smoking | 75 |
4.9%
|
| 3 | 1-3 months | 49 |
3.2%
|
| 4 | 4-11 months | 43 |
2.8%
|
| 5 | One year | 30 |
2%
|
| 6 | 2 years | 38 |
2.5%
|
| 7 | 3 years or longer | 78 |
5.1%
|
| Sysmiss | 24 |