| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1544 |
45.3%
|
| 2 | 1-2 puffs | 496 |
14.6%
|
| 3 | 1 cigarette per day | 212 |
6.2%
|
| 4 | 2 to 5 cigarettes | 254 |
7.5%
|
| 5 | 6 to 15 cigarettes (about half a pack) | 169 |
5%
|
| 6 | 16 to 25 cigarettes (about one pack) | 136 |
4%
|
| 7 | 26 to 99 cigarettes | 151 |
4.4%
|
| 8 | More than 100 cigarettes (five or more packs) | 444 |
13%
|
| Sysmiss | 126 |