| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2384 |
85.9%
|
| 2 | I have not stopped smoking | 58 |
2.1%
|
| 3 | 1-3 months | 79 |
2.8%
|
| 4 | 4-11 months | 32 |
1.2%
|
| 5 | One year | 41 |
1.5%
|
| 6 | 2 years | 29 |
1%
|
| 7 | 3 years or longer | 153 |
5.5%
|
| Sysmiss | 13 |