| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3532 |
83.1%
|
| 2 | I have not stopped smoking | 143 |
3.4%
|
| 3 | 1-3 months | 167 |
3.9%
|
| 4 | 4-11 months | 45 |
1.1%
|
| 5 | One year | 85 |
2%
|
| 6 | 2 years | 50 |
1.2%
|
| 7 | 3 years or longer | 228 |
5.4%
|
| Sysmiss | 33 |