| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1767 |
82.2%
|
| 2 | I have not stopped smoking | 109 |
5.1%
|
| 3 | 1-3 months | 108 |
5%
|
| 4 | 4-11 months | 60 |
2.8%
|
| 5 | One year | 40 |
1.9%
|
| 6 | 2 years | 29 |
1.3%
|
| 7 | 3 years or longer | 37 |
1.7%
|
| Sysmiss | 25 |