Table 2.
Outline of the features investigated in this study.
| Variable Type | Symbol/Acronym | Description |
|---|---|---|
| Pollution | NO2 (mol/m2) | Tropospheric vertical column of NO2 |
| SO2 (mol/m2) | Tropospheric vertical column of SO2 | |
| CO (mol/m2) | Vertically integrated CO column density | |
| HCHO (mol/m2) | Tropospheric HCHO column number density | |
| AER AI | Prevalence of coarse aerosols in the atmosphere | |
| Climate | AH2m (Kg/m3) | Absolute humidity at 2 m height |
| Cloud | Retrieved effective radiometric cloud fraction | |
| Socio-Demographic | Life expectancy (yr) | Life expectancy at birth |
| GDP per capita ($) | Gross domestic product per capita in US dollars | |
| ESCH (yr) | Expected years of schooling of child aged 6 | |
| MSCH (yr) | Mean years of schooling of population aged 25 and older | |
| Pop | Population | |
| max(d) | Max population density | |
| avg(d) | Average population density | |
| First death | First death by COVID-19 | |
| Age-70 | Share of people aged 70 and older | |
| Beds | Hospital beds per thousand of inhabitants | |
| Smoke | Share of smokers | |
| Diabetes | Share of people affected by diabetes | |
| Nurses | Nurses per thousand of inhabitants | |
| Phys | Physicians per thousand of inhabitants |