| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 6436 |
75.4%
|
| 2 | I have not stopped smoking | 591 |
6.9%
|
| 3 | 1-3 months | 643 |
7.5%
|
| 4 | 4-11 months | 200 |
2.3%
|
| 5 | One year | 216 |
2.5%
|
| 6 | 2 years | 124 |
1.5%
|
| 7 | 3 years or longer | 327 |
3.8%
|
| Sysmiss | 65 |