| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2599 |
77.8%
|
| 2 | I have not stopped smoking | 233 |
7%
|
| 3 | 1-3 months | 132 |
3.9%
|
| 4 | 4-11 months | 102 |
3.1%
|
| 5 | One year | 93 |
2.8%
|
| 6 | 2 years | 74 |
2.2%
|
| 7 | 3 years or longer | 109 |
3.3%
|
| Sysmiss | 35 |