| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3233 |
85.8%
|
| 2 | I have not stopped smoking | 115 |
3.1%
|
| 3 | 1-3 months | 146 |
3.9%
|
| 4 | 4-11 months | 66 |
1.8%
|
| 5 | One year | 64 |
1.7%
|
| 6 | 2 years | 47 |
1.2%
|
| 7 | 3 years or longer | 99 |
2.6%
|
| Sysmiss | 22 |