Table 1.

Sample demographics

	Group 1	Group 2		Group 3*
	(n = 14)  M (SDa/%))	(n= 12)  M (SD/%)		(n = 16) M (SD/%)
Age, years	21.7 (2.8)		42 (11.4)		21.3 (2.5)
Male	50 (7)		41.7 (5)		50 (8)
Highest education
Some high school	1 (7.1)		1 (8.3)		2 (12.5)
High school/GED	7 (50)		4 (33.3)		5 (31.2)
Some college	4 (28.6)		5 (41.7)		5 (31.2)
Associate	1 (7.1)		2 (16.7)		3 (18.8)
Bachelor’s	1 (7.1)		0 (0)		1 (6.3)
Family income, median	< $10,500		$14,000-$17,599		$14,000-$17,599
SCD genotype b
HbSSc	12 (85.7)		10 (83.3)		12 (75)
HbSβ0Thalessemia	2 (14.3)		1 (8.3)		2 (12.5)
HbSC	0		1 (8.3)		2 (12.5)

^aSD = standard deviation

^bSCD = sickle cell disease

^cHb = hemoglobin

^*8 participants (50%) also participated in group 1