| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3325 |
82.7%
|
| 2 | I have not stopped smoking | 234 |
5.8%
|
| 3 | 1-3 months | 248 |
6.2%
|
| 4 | 4-11 months | 70 |
1.7%
|
| 5 | One year | 34 |
0.8%
|
| 6 | 2 years | 35 |
0.9%
|
| 7 | 3 years or longer | 73 |
1.8%
|
| Sysmiss | 52 |