| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 4187 |
84.2%
|
| 2 | Less than once a week. | 304 |
6.1%
|
| 3 | At least once a week but not every day. | 267 |
5.4%
|
| 4 | Every day. | 216 |
4.3%
|
| Sysmiss | 64 |