Value | Category |
---|---|
1 | I have not smoked in the past 30 days (one month) |
2 | Less than 1 cigarette a day |
3 | 1 cigarette a day |
4 | 2 - 5 cigarettes a day |
5 | 6 - 10 cigarettes a day |
6 | 11 - 20 cigarettes a day |
7 | More than 20 cigarettes a day |
Sysmiss |