| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1646 |
85.1%
|
| 2 | I have not stopped smoking | 74 |
3.8%
|
| 3 | 1-3 months | 46 |
2.4%
|
| 4 | 4-11 months | 21 |
1.1%
|
| 5 | One year | 25 |
1.3%
|
| 6 | 2 years | 23 |
1.2%
|
| 7 | 3 years or longer | 99 |
5.1%
|
| Sysmiss | 10 |