| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3666 |
64.8%
|
| 2 | I have not stopped smoking | 491 |
8.7%
|
| 3 | 1-3 months | 594 |
10.5%
|
| 4 | 4-11 months | 209 |
3.7%
|
| 5 | One year | 234 |
4.1%
|
| 6 | 2 years | 144 |
2.5%
|
| 7 | 3 years or longer | 317 |
5.6%
|
| Sysmiss | 92 |