| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2834 |
86%
|
| 2 | I have not stopped smoking | 140 |
4.2%
|
| 3 | 1-3 months | 151 |
4.6%
|
| 4 | 4-11 months | 30 |
0.9%
|
| 5 | One year | 39 |
1.2%
|
| 6 | 2 years | 35 |
1.1%
|
| 7 | 3 years or longer | 67 |
2%
|
| Sysmiss | 6 |