Table 1.

Participant Characteristics

	FDA	Irrelevant	Text-only
Time 1
N	168	173	173
Male gender	92	106	100 (2 other)
Years of age (M ± SD)	33.38 ± 10.77	35.07 ± 11.72	32.36 ± 9.77
Race
White	145	147	146
African American	8	10	14
Asian	13	11	6
Native American	0	3	0
Two or more races	0	0	2
Other	2	2	5
Hispanic ethnicity	11	12	17
Baseline CPD (M ± SD)	1.79 ± 0.87	1.83 ± 0.92	1.60 ± 0.80
Time 2
Days from Time 1 (M ± SD)	7.37 ± 0.82	7.47 ± 0.89	7.34 ± 0.77
N	102	117	101
Male gender	49	66	60 (2 other)
Years of age (M ± SD)	33.86 ± 10.69	35.21 ± 11.91	33.24 ± 10.21
Race
White	88	103	89
African American	6	6	5
Asian	8	6	3
Native American	0	1	0
Two or more races	0	0	1
Other	0	1	3
Hispanic ethnicity	6	9	9
Baseline CPD (M ± SD)	1.79 ± 0.90	1.81 ± 0.89	1.53 ± 0.74

CPD = cigarettes per day; FDA = Food and Drug Administration; SD = standard deviation.