| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2222 |
87.5%
|
| 2 | I have not stopped smoking | 85 |
3.3%
|
| 3 | 1-3 months | 72 |
2.8%
|
| 4 | 4-11 months | 40 |
1.6%
|
| 5 | One year | 31 |
1.2%
|
| 6 | 2 years | 31 |
1.2%
|
| 7 | 3 years or longer | 58 |
2.3%
|
| Sysmiss | 8 |