Table 2

Spearman correlations among demographic variables for counties with RMP reporting facilities

Median household income% PovertyIncome inequality% Manufacturing% No high school% College or moreTotal population
*Gini index of income inequality. Values in bold significant at p⩽0.05.
% African-American 0.07 0.25 0.38 0.27 0.30 0.07 0.48
Median household income1.00 −0.81 −0.62 0.12 −0.63 0.56 0.56
% Poverty1.00 0.78 −0.13 0.65 −0.37 −0.27
Income inequality*1.00 −0.16 0.51 −0.14 −0.07
%Manufacturing1.00 0.27 −0.33 0.24
% No high school1.00 −0.71 −0.26
% College or more1.00 0.47