Table I.

Baseline Demographics for the Total Sample (N=234) and by Intervention and Control Groups with Group Comparisons

Demographic variable	Category	Total (N = 234)		CHOICES (n = 115)		e-Book (n = 119)
		N	%	N	%	N	%	p
Sex	Female	152	65.0	71	61.7	81	68.1	.38
	Male	82	35.0	44	38.3	38	31.9
Education	High school (grades 9–12)	78	33.3	40	34.8	38	31.9	.97
	Some college	114	48.7	55	47.8	59	49.6
	4-year college degree	28	12.0	13	11.3	15	12.6
	Graduate degree	14	6.0	7	6.1	7	5.9
Employment	Part-time	43	18.4	21	18.3	22	18.5	.99
	Full-time	47	20.0	23	20.0	24	20.2
	No, full-time student	35	15.0	18	15.7	17	14.3
	Not employed	109	46.6	53	46.1	56	47.1
Income	Less than $10,000	89	38.0	43	37.4	46	38.7	.26
	$10,000 to $29,999	64	27.4	31	27.0	33	27.7
	$30,000 to $49,999	39	16.7	18	15.7	21	17.6
	$50,000 or more	37	15.8	18	15.7	19	16.0
	Unknown	5	2.1	5	4.3	0	0.0
Health Insurance	Employer or union	46	19.7	23	20.0	23	19.3	.98
	Medicaid/Medicare	148	63.2	74	64.3	74	62.2
	Private insurance	4	1.7	2	1.7	2	1.7
	No insurance	29	12.4	13	11.3	16	13.4
	Unknown	7	3.0	3	2.6	4	3.4
Ethnicity	Hispanic or Latino	10	4.3	6	5.2	4	3.4	.53
	Not Hispanic or Latino	224	95.7	109	94.8	115	96.6
Racea	Black	110	47.0	51	44.3	59	49.6	.75
	African American	110	47.0	56	48.7	54	45.4
	Multi-racial	8	3.4	4	3.5	4	3.4
	Other	6	2.6	4	3.5	2	1.7
Sickle Cell Status	Sickle cell disease	138	59.0	68	59.1	70	58.8	.86
	Sickle cell trait	96	41.0	47	40.9	49	41.2
Marital Status	Never married	193	82.5	96	83.5	97	81.5	.77
	Married	31	13.2	13	11.3	18	15.1
	Separated	2	0.9	1	0.9	1	0.8
	Divorced	8	3.4	5	4.3	3	2.5

Note.

^aself-reported race: the participants identified themselves as either Black or African American.