| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3053 |
76.2%
|
| 2 | I have not stopped smoking | 482 |
12%
|
| 3 | 1-3 months | 185 |
4.6%
|
| 4 | 4-11 months | 61 |
1.5%
|
| 5 | One year | 41 |
1%
|
| 6 | 2 years | 36 |
0.9%
|
| 7 | 3 years or longer | 151 |
3.8%
|
| Sysmiss | 135 |