Table 1

Dataset variable

VariableDescriptionAttribute type
A1Mean of nitrogen dioxide, NO2
A2Percentage exceeding of NO2 tolerance
A5Mean of carbon monoxide, CO
A6Percentage exceeding of CO tolerance
A9Mean of fine particles, PM10
A10Percentage exceeding of PM10 tolerance
A13Mean of fine particles PM2.5
A14Percentage exceeding of PM2.5 tolerance
A17Mean of sulfur dioxide SO2
A18Percentage exceeding of SO2 tolerance
YHigh, low of mortalityClass attribute