| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1603 |
70.2%
|
| 2 | I have not stopped smoking | 159 |
7%
|
| 3 | 1-3 months | 179 |
7.8%
|
| 4 | 4-11 months | 108 |
4.7%
|
| 5 | One year | 85 |
3.7%
|
| 6 | 2 years | 65 |
2.8%
|
| 7 | 3 years or longer | 86 |
3.8%
|
| Sysmiss | 2 |