| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1503 |
75.3%
|
| 2 | I have not stopped smoking | 122 |
6.1%
|
| 3 | 1-3 months | 167 |
8.4%
|
| 4 | 4-11 months | 71 |
3.6%
|
| 5 | One year | 37 |
1.9%
|
| 6 | 2 years | 20 |
1%
|
| 7 | 3 years or longer | 75 |
3.8%
|
| Sysmiss | 50 |