| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 3361 |
83.4%
|
| 2 | Occassionally, but less than once per month | 336 |
8.3%
|
| 3 | Several times per month, but less than once a week | 105 |
2.6%
|
| 4 | Several times per week, but less than once each day | 60 |
1.5%
|
| 5 | Yes, every day at least one cigarette each day | 168 |
4.2%
|
| Sysmiss | 114 |