| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 936 |
67.3%
|
| 2 | I have not stopped smoking | 141 |
10.1%
|
| 3 | 1-3 months | 122 |
8.8%
|
| 4 | 4-11 months | 58 |
4.2%
|
| 5 | One year | 53 |
3.8%
|
| 6 | 2 years | 40 |
2.9%
|
| 7 | 3 years or longer | 40 |
2.9%
|
| Sysmiss | 1 |