TABLE 2.

The age of each smoker and the CO in both sessions (satiety and abstinence).

Subject ID	Items
	Age (years)	CO (ppm)
		Satiety	Abstinence
1	20	11	7
2	20	13	4
3	20	10	6
4	21	11	2
5	21	10	3
6	20	12	5
7	20	18	4
8	19	12	3
9	21	14	5
10	20	11	3
11	21	12	2
12	21	14	2
13	20	13	5
14	20	16	6
15	20	13	5
16	19	15	3
17	21	12	4
18	21	14	2
19	19	11	5
20	20	10	3
21	21	12	8
22	21	15	7
23	21	12	2
24	20	12	2
25	20	19	7
26	21	12	2
27	20	13	4
28	20	15	4
29	20	10	4
30	21	11	4