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. 2020 Sep 4;4(3):515–559. doi: 10.1007/s41885-020-00071-2

Table 4.

Variable definitions and sources

Variable Definition Source
New Mortality Rate 7-day rolling average of daily new mortality rate out ot the total population Authors’ calculation based on JHU COVID-19 Data
Early Mortality Cumulative mortality rate in the week following the first death Authors’ calculation based on JHU COVID-19 Data
Early Mortality Growth Growth rate of new mortality rate in the week following the first death Authors’ calculation based on JHU COVID-19 Data
Peak New Mortality New mortality rate at the peak of new mortality rate in the first quasi-bell curve Authors’ calculation based on JHU COVID-19 Data
PD to Peak Mortality Day-to-peak of new mortality rate in the first quasi-bell curve Authors’ calculation based on JHU COVID-19 Data
Logged Peak Mortality-to-PD The ratio of the logged peak new mortality rate to the PD to peak mortality Authors’ calculation based on JHU COVID-19 Data
Early SI Average of SI from its first non-zero value to the first death Authors’ calculation based on OxCGRT Data
Days from First SI to First Death Number of days from first non-zero SI to the first death Authors’ calculation based on OxCGRT Data
Stringency Delta Growth rate of SI from its first non-zero value to its maximum level Authors’ calculation based on OxCGRT Data
Early Mobility Weekly average level of mobility in terms of walking in the week prior to the first death, reported by Apple Authors’ calculation based on Apple COVID-19 Mobility Trends Reports
Prop. 65+ Elderly population (people aged 65 and over) as a percentage of the total population World Development Indicators
Prop. Urban Urban population as a percentage of the total population World Development Indicators
Pop. Density Midyear population divided by land area in square kilometers World Development Indicators
Vulnerable Employment Employment in vulnerable sectors (i.e., family workers and own-account workers) as a percentage of the total employment World Development Indicators
Health Expenditure Level of current health expenditure (including healthcare goods and services) as a percentage of GDP World Development Indicators
Log(GNI) The logged gross national income per capita World Development Indicators
Pollution Population-weighted exposure to ambient PM2.5 pollution World Development Indicators
Tourist Arrivals International inbound tourists to the country World Development Indicators
Tourist Departures International outbound tourists from the country World Development Indicators
Latitude Latitude coordinate of the country Country-level coordinates from Google
Longitude Longitude coordinate of the country Country-level coordinates from Google
Democracy The Democracy index calculated by The Economist Intelligence Unit (2019) The EIU Democracy Index 2019 Database