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Table 1 Summary statistics for sociodemographic factors in the State of South Carolina (US Census 2000)

From: Spatial disparity in the distribution of superfund sites in South Carolina: an ecological study

Variable Minimum Lower Quartile Mean Upper quartile Maximum Median
% Black 0.04 11.16 32.42 49.69 98.83 26.05
% Non-White 0.74 14.50 35.59 52.48 99.57 30.23
% White 0.43 47.51 64.41 85.50 99.26 69.76
% Poverty 0.00 8.20 15.78 20.60 100.00 13.60
% Homeowner 0.00 61.40 69.63 84.40 100.00 75.50
% < HS Education 0.00 14.60 25.13 33.90 63.10 26.90
% Homes Built Before 1950 0.00 4.20 13.61 18.70 100.00 9.50
% Unemployed 0.00 2.25 3.91 4.70 53.93 3.30
% Poverty White 0.00 3.26 6.05 7.67 60.91 5.26
% Poverty Black 0.00 0.16 5.11 6.72 58.51 1.38
% White with < HS Education 0.00 1.47 4.53 6.52 23.94 3.56
% Black with < HS Education 0.00 0.21 6.17 8.53 55.37 1.80
  1. Note: The summaries of quartiles are with respect to 25%, 50%, and 75% of census tracts. For example, for % Poverty White, the lower quartile of 3.26 indicates that 25% of the tracts have at most 3.26% of Whites in poverty.