| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1235 |
55.7%
|
| 2 | I have not stopped smoking | 489 |
22.1%
|
| 3 | 1-3 months | 206 |
9.3%
|
| 4 | 4-11 months | 97 |
4.4%
|
| 5 | One year | 79 |
3.6%
|
| 6 | 2 years | 55 |
2.5%
|
| 7 | 3 years or longer | 56 |
2.5%
|
| Sysmiss | 37 |