| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 784 |
73.6%
|
| 2 | I have not stopped smoking | 60 |
5.6%
|
| 3 | 1-3 months | 89 |
8.4%
|
| 4 | 4-11 months | 34 |
3.2%
|
| 5 | One year | 32 |
3%
|
| 6 | 2 years | 16 |
1.5%
|
| 7 | 3 years or longer | 50 |
4.7%
|
| Sysmiss | 26 |