| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1094 |
73%
|
| 2 | I have not stopped smoking | 88 |
5.9%
|
| 3 | 1-3 months | 71 |
4.7%
|
| 4 | 4-11 months | 45 |
3%
|
| 5 | One year | 53 |
3.5%
|
| 6 | 2 years | 35 |
2.3%
|
| 7 | 3 years or longer | 112 |
7.5%
|
| Sysmiss | 21 |