| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1786 |
86.4%
|
| 2 | I have not stopped smoking | 54 |
2.6%
|
| 3 | 1-3 months | 63 |
3%
|
| 4 | 4-11 months | 23 |
1.1%
|
| 5 | One year | 24 |
1.2%
|
| 6 | 2 years | 25 |
1.2%
|
| 7 | 3 years or longer | 92 |
4.5%
|
| Sysmiss | 16 |