Skip to main content

Table 11 RUCC-stratified description (mean, standard deviation, range) of domain-specific indices used in overall EQI construction for 3141 counties (2000–2005)

From: Construction of an environmental quality index for public health research

Metropolitan urbanized areas; RUCC 1 (n = 1089) Mean Standard deviation Minimum Maximum
Air domain index 0.756 0.662 −1.780 2.790
Water domain index 0.052 1.019 −1.641 1.478
Land domain index 0.089 0.909 −5.136 2.095
Sociodemographic domain index 0.594 0.955 −3.027 3.979
Built environment domain index −0.213 0.878 −4.109 3.884
Non-metropolitan urbanized areas; RUCC 2 (n = 323) Mean Standard deviation Minimum Maximum
Air domain index 0.484 0.474 −1.553 1.517
Water domain index 0.111 1.033 −1.570 1.306
Land domain index 0.089 0.909 −5.019 1.479
Sociodemographic domain index 0.023 0.858 −4.810 2.165
Built environment domain index −0.563 0.485 −1.043 2.165
Less-urbanized areas; RUCC 3 (n = 1059) Mean Standard deviation Minimum Maximum
Air domain index −0.199 0.654 −2.731 1.204
Water domain index 0.066 0.955 −1.565 1.301
Land domain index −0.069 1.007 −5.139 1.408
Sociodemographic domain index −0.316 0.854 −4.620 3.127
Built environment domain index −0.096 0.792 −6.086 3.127
Thinly populated areas; RUCC 4 (n = 670) Mean Standard deviation Minimum Maximum
Air domain index −1.1141 0.879 −3.258 0.7300
Water domain index −0.241 0.987 −1.555 1.732
Land domain index −0.072 1.122 −5.210 1.732
Sociodemographic domain index −0.477 0.860 −4.332 1.263
Built environment domain index −0.770 1.225 −5.530 2.787