| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 301 |
62.1%
|
| 2 | Less than daily | 71 |
14.6%
|
| 3 | Seldom (less than once a month) | 10 |
2.1%
|
| 4 | None, I have quit smoking | 103 |
21.2%
|
| Sysmiss | 963 |