| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1519 |
93.5%
|
| 2 | I have not stopped smoking | 34 |
2.1%
|
| 3 | Less than 4 months | 32 |
2%
|
| 4 | 4-11 months | 15 |
0.9%
|
| 5 | One year | 10 |
0.6%
|
| 6 | 2 years | 5 |
0.3%
|
| 7 | 3 years or longer | 10 |
0.6%
|
| Sysmiss | 12 |