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

Table 1.

List of variables (with units) and the applied transformations. Variable shortcuts (first column) correspond to Supplement Table 1.

Data Name (units) Transformation f(x)
T2M, T2MMAX, T2MMIN, T10M, T10MMAX, T10MMIN, TS, T2MWET Temperatures (°C) None
RH2M Relative humidity at 2 m (%) -log(max(x) - x)
QV2M Specific humidity at 2 m (g/kg) log(x)
T2MDEW Dew Point (°C) None
PRECTOT Precipitation (mm/day) x1/3
TQV Total Column Precipitable Water (cm) log(x)
CLRSKY_SFC_SW_DWN Clear Sky Insolation Incident on a Horizontal Surface (MJ/m2/day) -(max(x) - x)1/3
ALLSKY_SFC_LW_DWN Downward Thermal Infrared (Longwave) Radiative Flux (MJ/m2/day) log(x)
ALLSKY_SFC_SW_DWN All Sky Insolation Incident on a Horizontal Surface (MJ/m2/day) log(x)
OpenUVmax UV radiation index x1/3
WS2M Wind speed at 2 m None
WS10M Wind speed at 10 m None
P Pressure x1/2
Population over 65 (%) Population over 65 (%) None
Life Expectancy Life Expectancy at Birth (years) -(max(x) - x)1/2
Median age Median age (years) -(max(x) - x)1/2
Youth population Population under 18 (%) log(x)
Population density Population density (people/km2) log(x)
BUAPC Built Up Area Per Capita (km2/people) log(x)
Urban Population Urban Population (%) -(max(x) - x)1/2
HDI Human development index (0–1) Average of education, health and standard of living. (Mean years of schooling of adults aged 25+, Expected years of schooling of children aged 6 + Life expectancy at birth + GNIpc)/3 -(max(x) - x)1/2
GDPpc Gross domestic product per capita log(x)
Infant mortality rate Infant Mortality Rate (per 1000 live births) -log(x)
Child mortality Child Mortality (age 1–4, per 1000 population) -log(x)
Alcohol consumption Adults alcohol consumption binge drinking (%) log(x)
Foreign-born population Foreign-born population (%) log(x)
Obesity Obesity age 20 and older (%) None
CVD deaths Age 65+ Cardiovascular disease deaths per 100000 people log(x)
Hypertension Adults with Hypertension (%) log(x)
High cholesterol Population with high cholesterol (%) None
Smoking Population smoking (%) None
Cardiovascular disease Population with cardiovascular disease (%) None
Diabetes Population with diabetes (%) x1/3
Cancer Population with cancer (%) None
Chronic kidney disease Population with chronic kidney disease (%) x1/2
Chronic obstructive pulmonary disease Population with chronic obstructive pulmonary disease (%) log(x)
Multiple chronic conditions Population with multiple chronic conditions (%) None
Physical inactivity Population physically inactive (%) x1/3
Male percent Fraction of male in the population (%) log(x)
White percent Fraction of white in the population (%) -log(max(x) - x)
Black percent Fraction of black in the population (%) x1/3
Native percent Fraction of native in the population (%) log(x)
Asian percent Fraction of Asian in the population (%) log(x)
Latino percent Fraction of Latino in the population (%) log(x)
No health insurance children No health insurance under 18 (%) x1/2
No health insurance adults No health insurance 18–64 (%) None
No health insurance all No health insurance all population (%) None
No insurance black No health insurance black (%) None
No insurance native No health insurance native (%) x1/3
No insurance Asian No health insurance Asian (%) x1/2
No insurance Latino No health insurance Latino (%) None
No insurance white No health insurance white (%) None
PM2.5 PM2.5 concentration (μg/m3) None
PM10 PM10 concentration (μg/m3) x1/2
CO CO concentration (ppm, 10−6) x1/2
NO2 NO2 concentration (ppb, 10−9) None
SO2 SO2 concentration (ppb) log(x - min(x))
O3 O3 concentration (ppm) None
VOC Volatile organic compounds concentration (ppb Carbon) log(x)
Lead Lead concentration (μg/m3) log(x)
HAPs Hazardous air pollutants concentration (μg/m3) (x-min(x))1/2
NONOxNOy Nitrous oxides concentration (ppb) x1/3
R0 Estimated basic reproduction number log(x)