The Mississippi Delta Cardiovascular Health Examination Survey: Study Design and Methods

Table 1

Sociodemographic characteristics of the Mississippi Delta region, Mississippi, and the United States.

Delta county	Population size^a	% total Delta population	% non-Hispanic black^a	% non-Hispanic white^a	% other^a	Median household income^b	% persons below FPL^b	Urban-rural classification^c,d
Bolivar	33,771	6.1	64.2	34.4	1.4	$28,984	33.9	Micropolitan
Carroll	10,373	1.9	33.0	65.5	1.4	$34,436	18.8	Micropolitan
Coahoma	25,913	4.7	75.1	23.7	1.3	$25,719	38.7	Micropolitan
Desoto	164,053	29.6	22.8	74.1	3.1	$58,979	10.4	Large fringe metro
Holmes	18,818	3.4	82.6	16.4	1.0	$22,536	41.2	Noncore
Humphreys	9,312	1.7	74.4	24.3	1.4	$24,205	42.2	Noncore
Issaquena	1,392	0.3	64.2	35.1	0.7	$27,124	43.3	Noncore
Leflore	31,861	5.8	72.5	25.8	1.7	$26,037	37.2	Micropolitan
Panola	34,602	6.2	48.9	49.7	1.4	$32,377	27.9	Noncore
Quitman	8,134	1.5	69.4	29.2	1.4	$25,507	36.9	Noncore
Sharkey	4,892	0.9	70.8	28.3	0.9	$24,987	37.9	Noncore
Sunflower	29,296	5.3	72.4	26.4	1.2	$26,921	39.2	Micropolitan
Tallahatchie	15,318	2.8	56.7	41.1	2.2	$27,352	34.8	Noncore
Tate	28,719	5.2	30.6	67.7	1.7	$41,465	18.2	Large fringe metro
Tunica	10,628	1.9	72.8	25.3	1.9	$29,808	28.1	Large fringe metro
Warren	48,346	8.7	46.9	51.0	2.1	$37,578	23.3	Micropolitan
Washington	50,406	9.1	71.0	27.5	1.5	$25,559	42.2	Micropolitan
Yazoo	27,886	5.0	57.1	41.2	1.7	$28,474	39.0	Micropolitan
Delta Region	553,720		49.7	48.3	2.0	$30,447	25.5
Mississippi	2,978,512		37.3	60.0	2.6	$36,992	21.7
United States	311,591,917		13.1	78.1	8.8	$50,046	15.3

FPL: Federal Poverty Level. ^aData source: U.S. Census Bureau—2011 Census of Population. ^bData source: U.S. Census Small Area Income and Poverty Estimates for State and Counties. ^cData Source: 2006 National Center for Health Statistics Urban-Rural Classification Scheme for Counties. ^dCategories and classification rules: large central metro: central counties of MSAs of 1 million or more population; large fringe metro: counties in MSA of 1 million or more population that do not qualify as large central; medium metro: counties within MSAs of 250,000–999,999 population; small metro: counties within MSAS of 50,000 to 249,999 population; micropolitan: counties in micropolitan statistical area; noncore: counties not in micropolitan statistical area [4].