| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 626 |
85.4%
|
| 2 | I have not stopped smoking | 25 |
3.4%
|
| 3 | 1-3 months | 15 |
2%
|
| 4 | 4-11 months | 9 |
1.2%
|
| 5 | One year | 10 |
1.4%
|
| 6 | 2 years | 14 |
1.9%
|
| 7 | 3 years or longer | 34 |
4.6%
|
| Sysmiss | 63 |