| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2407 |
83.2%
|
| 2 | I have not stopped smoking | 175 |
6%
|
| 3 | One month | 99 |
3.4%
|
| 4 | Several Months | 72 |
2.5%
|
| 5 | One year | 41 |
1.4%
|
| 6 | 2 years | 30 |
1%
|
| 7 | 3 years or longer | 70 |
2.4%
|
| Sysmiss | 12 |