| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 926 |
55.8%
|
| 2 | I have not stopped smoking | 215 |
13%
|
| 3 | 1-3 months | 214 |
12.9%
|
| 4 | 4-11 months | 101 |
6.1%
|
| 5 | One year | 85 |
5.1%
|
| 6 | 2 years | 51 |
3.1%
|
| 7 | 3 years or longer | 67 |
4%
|
| Sysmiss | 8 |