| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3162 |
76.6%
|
| 2 | I have not stopped smoking | 220 |
5.3%
|
| 3 | 1-3 months | 267 |
6.5%
|
| 4 | 4-11 months | 74 |
1.8%
|
| 5 | One year | 83 |
2%
|
| 6 | 2 years | 60 |
1.5%
|
| 7 | 3 years or longer | 263 |
6.4%
|
| Sysmiss | 18 |