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. 2021 Jun 24;201:111526. doi: 10.1016/j.envres.2021.111526

Table 2.

Grouping of variables and relation to PC.

PC components Variables
PC1 temperature T2M, T2MMAX, T2MMIN, T10M, T10MMAX, T10MMIN, TS
PC1 humidity QV2M, T2MDEW
PC1 precipitation PRECTOT, TQV
PC1 wind WS2M, WS10M
PC1 - PC2 radiation CLRSKY_SFC_SW_DWN, ALLSKY_SFC_SW_DWN, ALLSKY_SFC_LW_DWN
PC1 - PC2 seasonality PC1 temperature, PC1 humidity, PC1 precipitation, PC1 radiation, PC2 radiation, RH2M, OpenUVmax
PC1 NO NO2, NONOxNOy
PC1 - PC2 age Population over 65, Youth population, Median age
PC1 - PC2 density 1/BUAPC, Urban population, Population density
PC1 - PC4 prosperity Life expectancy, Infant mortality, GDP, HDI, Child mortality, Alcohol consumption, Foreign-born population
PC1 - PC4 disease Obesity (% age 20 and older), Age 65+ CVD deaths, Adults with hypertension (%), Population with high cholesterol (%), Population smoking (%), Population with cardiovascular disease (%), Population with diabetes%, Population with cancer (%), Population chronic kidney disease (%), Population chronic obstructive pulmonary disease (%), Population multiple chronic conditions (%), Population physical inactivity (%),
PC1 - PC3 ins. No health insurance (% of_children_under_18), No health insurance (% of_adults_ages_18–64), No health insurance total population (%), No health insurance black (%), No health insurance native (%), No health insurance Asian (%), No health insurance Latino (%), No health insurance white (%),