| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2085 |
90.1%
|
| 2 | I have not stopped smoking | 96 |
4.2%
|
| 3 | 1-3 months | 33 |
1.4%
|
| 4 | 4-11 months | 13 |
0.6%
|
| 5 | One year | 25 |
1.1%
|
| 6 | 2 years | 59 |
2.6%
|
| 7 | 3 years or longer | 2 |
0.1%
|
| Sysmiss | 3 |