| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2838 |
78.8%
|
| 2 | I have not stopped smoking | 286 |
7.9%
|
| 3 | 1-3 months | 186 |
5.2%
|
| 4 | 4-11 months | 59 |
1.6%
|
| 5 | One year | 48 |
1.3%
|
| 6 | 2 years | 38 |
1.1%
|
| 7 | 3 years or longer | 147 |
4.1%
|
| Sysmiss | 46 |