| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2617 |
85.4%
|
| 2 | I have not stopped smoking | 111 |
3.6%
|
| 3 | 1-3 months | 138 |
4.5%
|
| 4 | 4-11 months | 45 |
1.5%
|
| 5 | One year | 34 |
1.1%
|
| 6 | 2 years | 18 |
0.6%
|
| 7 | 3 years or longer | 100 |
3.3%
|
| Sysmiss | 20 |