| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1906 |
90.8%
|
| 2 | I have not stopped smoking | 75 |
3.6%
|
| 3 | 1-3 months | 47 |
2.2%
|
| 4 | 4-11 months | 23 |
1.1%
|
| 5 | One year | 14 |
0.7%
|
| 6 | 2 years | 13 |
0.6%
|
| 7 | 3 years or longer | 22 |
1%
|
| Sysmiss | 63 |