| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1054 |
50.8%
|
| 2 | I no longer smoke cigarettes | 458 |
22.1%
|
| 3 | More than 60 minutes | 391 |
18.8%
|
| 4 | Between 31 and 60 minutes | 111 |
5.3%
|
| 5 | Between 6 and 30 minutes | 32 |
1.5%
|
| 6 | 5 minutes or less | 29 |
1.4%
|
| Sysmiss | 10 |