Table 1. Participant Characteristics.

Participant	Age (years)	Sex	Ethnicity	Weekly income ($)	Cigarettes per day	Years smoking	FTND	URICA
S0057	57	F	W	401–500	20	45	5	8.8
A0058	53	M	W	301–400	40	35	10	11.0
C0058	53	M	W	201–300	30	36	8	12.7
S0060	23	F	W	201–300	20	10	7	9.8
K0062	26	F	W	< 100	20	10	6	8.8
J0063	45	M	W	< 100	18	25	7	9.2
B0064	28	M	W	201–300	18	17	3	11.4
T0064	27	M	W	601–700	20	12	6	12.2
K0065	21	M	W	401–500	25	10	8	9.6
B0069	49	F	W	401–500	25	34	4	8.0
A0073	25	M	W	201–300	15	7	3	9.6
L0075	21	F	W	301–400	20	6	4	9.6
D0076	43	F	W	< 100	20	19	8	8.3
M0079	42	F	W	201–300	40	30	8	11.9