| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1761 |
82.4%
|
| 2 | Occassionally, but less than once per month | 154 |
7.2%
|
| 3 | Some time each month, but less than once a week | 91 |
4.3%
|
| 4 | Some time each week, but less than once each day | 52 |
2.4%
|
| 5 | Yes, every day at least one cigarette each day | 79 |
3.7%
|
| Sysmiss | 38 |