Skip to main content

Table 6 Overall and RUCC-stratified loadings for select variables in the air domain

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

Constructs indented Metropolitan - urbanized Non-metro urbanized Less-urbanized Thinly populated Overall
  (RUCC1 = 1089) (RUCC2 = 323) (RUCC 3 = 1059) (RUCC4 = 670) (n = 3141)
Air Domain      
  Criteria air pollutants      
Nitrogen Dioxide 0.0613 0.1091 0.1014 0.0911 0.0848
PM10 0.0845 0.0677 0.0627 0.0937 0.0897
PM2.5 0.0701 0.1513 0.1281 0.1354 0.1036
  Hazardous air pollutants      
Carbon disulfide 0.1169 0.1140 0.1172 0.1261 0.1242
Carbon tetrachloride 0.0259 0.0281 0.0186 −0.0028 0.018
Cyanide compounds 0.1655 0.1674 0.1680 0.1497 0.1477
Diesel engine emissions 0.1545 0.1441 0.1431 0.1163 0.1321
Dimethyl sulfate 0.0472 0.1201 0.1024 0.1072 0.0942
Lead compounds 0.1366 0.0778 0.069 0.0581 0.1045
PAH/POM 0.1143 0.0822 0.1172 0.1192 0.1199
Polychlorinated biphenyls 0.0284 0.1300 0.0954 0.0779 0.0729
Vinyl chloride 0.1489 0.0997 0.1008 0.097 0.1257
  1. Complete list of variable loadings is available in Additional file 3.