| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 636 |
72.4%
|
| 2 | I have not stopped smoking | 67 |
7.6%
|
| 3 | 1-3 months | 53 |
6%
|
| 4 | 4-11 months | 26 |
3%
|
| 5 | One year | 28 |
3.2%
|
| 6 | 2 years | 21 |
2.4%
|
| 7 | 3 years or longer | 48 |
5.5%
|
| Sysmiss | 7 |