| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2794 |
54.5%
|
| 2 | I no longer smoke cigarettes | 1098 |
21.4%
|
| 3 | More than 60 minutes | 876 |
17.1%
|
| 4 | Between 31 and 60 minutes | 196 |
3.8%
|
| 5 | Between 6 and 30 minutes | 100 |
2%
|
| 6 | 5 minutes or less | 60 |
1.2%
|
| Sysmiss | 29 |