| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 3466 |
74%
|
| 2 | Less than once a week. | 381 |
8.1%
|
| 3 | At least once a week but not every day. | 446 |
9.5%
|
| 4 | Every day. | 393 |
8.4%
|
| Sysmiss | 10 |