| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3353 |
72.5%
|
| 2 | I have not stopped smoking | 209 |
4.5%
|
| 3 | 1-3 months | 405 |
8.8%
|
| 4 | 4-11 months | 181 |
3.9%
|
| 5 | One year | 117 |
2.5%
|
| 6 | 2 years | 86 |
1.9%
|
| 7 | 3 years or longer | 273 |
5.9%
|
| Sysmiss | 11 |