| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 4295 |
73.3%
|
| 2 | Less than once a week. | 349 |
6%
|
| 3 | At least once a week but not every day. | 448 |
7.6%
|
| 4 | Every day. | 771 |
13.2%
|
| Sysmiss | 357 |