| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3674 |
87.8%
|
| 2 | I have not stopped smoking | 241 |
5.8%
|
| 3 | 1-3 months | 118 |
2.8%
|
| 4 | 4-11 months | 137 |
3.3%
|
| 5 | One year | 6 |
0.1%
|
| 6 | 2 years | 2 |
0%
|
| 7 | 3 years or longer | 5 |
0.1%
|
| Sysmiss | 94 |