| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 5591 |
83.6%
|
| 2 | Less than once a week. | 491 |
7.3%
|
| 3 | At least once a week but not every day. | 329 |
4.9%
|
| 4 | Every day. | 276 |
4.1%
|
| Sysmiss | 61 |