| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 2843 |
78.4%
|
| 2 | Occassionally, but less than once per month | 408 |
11.2%
|
| 3 | Sometimes every month, but less than once a week | 164 |
4.5%
|
| 4 | Sometimes every week, but less than once each day | 88 |
2.4%
|
| 5 | Everyday at least one cigarette a day | 124 |
3.4%
|
| Sysmiss | 144 |