| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4720 |
92.2%
|
| 2 | I have not stopped smoking | 103 |
2%
|
| 3 | 1-3 months | 85 |
1.7%
|
| 4 | 4-11 months | 48 |
0.9%
|
| 5 | One year | 38 |
0.7%
|
| 6 | 2 years | 44 |
0.9%
|
| 7 | 3 years or longer | 80 |
1.6%
|
| Sysmiss | 17 |