| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4245 |
85.9%
|
| 2 | I have not stopped smoking | 87 |
1.8%
|
| 3 | 1-3 months | 144 |
2.9%
|
| 4 | 4-11 months | 76 |
1.5%
|
| 5 | One year | 77 |
1.6%
|
| 6 | 2 years | 58 |
1.2%
|
| 7 | 3 years or longer | 252 |
5.1%
|
| Sysmiss | 9 |