| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 617 |
71.5%
|
| 2 | I have not stopped smoking | 32 |
3.7%
|
| 3 | 1-3 months | 37 |
4.3%
|
| 4 | 4-11 months | 28 |
3.2%
|
| 5 | One year | 28 |
3.2%
|
| 6 | 2 years | 16 |
1.9%
|
| 7 | 3 years or longer | 105 |
12.2%
|
| Sysmiss | 43 |