| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3687 |
83.9%
|
| 2 | I have not stopped smoking | 175 |
4%
|
| 3 | 1-3 months | 164 |
3.7%
|
| 4 | 4-11 months | 66 |
1.5%
|
| 5 | One year | 75 |
1.7%
|
| 6 | 2 years | 134 |
3.1%
|
| 7 | 3 years or longer | 92 |
2.1%
|
| Sysmiss | 54 |