| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3818 |
88.1%
|
| 2 | I have not stopped smoking | 169 |
3.9%
|
| 3 | 1-3 months | 151 |
3.5%
|
| 4 | 4-11 months | 48 |
1.1%
|
| 5 | One year | 51 |
1.2%
|
| 6 | 2 years | 42 |
1%
|
| 7 | 3 years or longer | 57 |
1.3%
|
| Sysmiss | 195 |