| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1624 |
82.5%
|
| 2 | I have not stopped smoking | 85 |
4.3%
|
| 3 | 1-3 months | 97 |
4.9%
|
| 4 | 4-11 months | 18 |
0.9%
|
| 5 | One year | 36 |
1.8%
|
| 6 | 2 years | 28 |
1.4%
|
| 7 | 3 years or longer | 80 |
4.1%
|
| Sysmiss | 7 |