| Value | Category |
|---|---|
| 1 | I have never smoked cigarettes |
| 2 | In your own home |
| 3 | At social events |
| 4 | In your friends' home |
| 5 | On school premises during school hours |
| 6 | Off school premises during school hours |
| 7 | In public places, e.g. on the street, in cafés, parks, shopping centres |
| 8 | Other |
| Sysmiss |