Value | Category |
---|---|
1 | 1 I did not smoke cigarettes during the past30 days (one month) 2 Less than 1 cigarette per day |
2 | 3 1 cigarette per day |
3 | 4 2 to 5 cigarettes per day |
4 | 5 6 to 10 cigarettes per day |
5 | 6 11 to 20 cigarettes per day |
6 | 7 More than 20 cigarettes per day |
7 | |
Sysmiss |