| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 6704 |
80.8%
|
| 2 | Some time, but less than once a month | 852 |
10.3%
|
| 3 | Occasionally, more than one cigarette each month, but less than once per week | 212 |
2.6%
|
| 4 | Occasionally, more than one cigarette each week, but less than once per day | 182 |
2.2%
|
| 5 | Every day at least one cigarette | 349 |
4.2%
|
| Sysmiss | 75 |