| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 911 |
50.3%
|
| 2 | 1 to 2 puffs | 255 |
14.1%
|
| 3 | 1 cigarette | 90 |
5%
|
| 4 | 2 to 5 cigarettes | 117 |
6.5%
|
| 5 | 6 to 15 cigarettes | 97 |
5.4%
|
| 6 | 16 to 25 cigarettes | 74 |
4.1%
|
| 7 | 26 to 99 cigarettes | 91 |
5%
|
| 8 | More than 100 cigarettes (5 packs or more) | 176 |
9.7%
|
| Sysmiss | 38 |