Evaluating the reliability of the Attitudes to Randomized Trial Questionnaire (ARTQ) in a predominantly African American sample

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Table 2 Demographic characteristics of the counties where the program was conducted

County name	Racial composition
County name	Size	European American	African American	American Indian/Alaskan Native	Asian	Native Hawaiian/Pacific Islander	≥2 races	Hispanic/latino	Median household income ($)	Per capita income ($)	Population below the poverty level (%)
US (Ref.)	316.5 million	77.7	13.2	1.2	5.3	0.2	2.4	17.1	53,046	28,155	15.4
South Carolina (Ref.)	4.8 million	68.3	27.9	0.5	1.5	0.1	1.7	5.3	44,779	23,943	18.1
Bamberg (Denmark)	15,430	36.8	61.4	0.4	0.5	0.1	0.9	1.8	31,483	18,902	27.6
Berkeley	194,020	69.1	25.0	0.7	2.5	0.1	2.6	6.1	52,427	24,165	13.8
Charleston	372,803	67.4	29.0	0.4	1.6	0.1	1.5	5.2	50,792	30,158	18.2
Darlington	67,935	56.7	41.3	0.4	0.5	^a	1.1	1.9	36,323	20,105	24.0
Florence	138,326	54.9	42.0	0.4	1.4	^a	1.2	2.4	41.910	22,432	19.8
Georgetown	60,440	65.4	32.8	0.3	0.6	^a	0.9	3.0	40,131	24,437	21.2
Greenville	474,266	77.1	18.5	0.5	2.2	0.1	1.7	8.7	49,022	26,643	15.8
Hampton	20,408	44.1	53.7	0.4	0.6	^a	1.1	3.8	34,233	19,332	25.2
Orangeburg	90,942	34.9	62.3	0.6	0.9	^a	1.3	2.1	34,110	17,687	23.7
Richland	399,256	48.1	46.8	0.4	2.6	0.1	2.0	5.0	48,359	25,763	17.2
Williamsburg	33,067	32.9	65.5	0.4	0.4	^a	0.8	2.2	25,849	14,845	30.8