| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 4068 |
87.6%
|
| 2 | Less than once a week. | 258 |
5.6%
|
| 3 | At least once a week but not every day. | 156 |
3.4%
|
| 4 | Every day. | 162 |
3.5%
|
| Sysmiss | 83 |