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. 2022 Jan 7;8(1):e31066. doi: 10.2196/31066

Table 1.

Variable descriptions.

Variable name Description (by country) Source Year measured
Dependent variable



Total casesa Number of individuals infected by COVID-19 Worldometers 2020

Fatality ratea Death rate against the number of confirmed cases (0-100) Worldometers 2020

Number of daysb Number of days elapsed from the first confirmed case to the 1000th confirmed case Our World in Data 2020
Control variable



GDPc PPPd GDP by PPP in billions World Bank 2019

Unemployment rate Unemployment rate (0-100) World Bank 2019

Population density People per square km of land area World Bank 2019

Percent aged 60 or over Percentage of people aged 60 or older United Nations 2019

Annual rainfall Average annual rainfall in mm World Bank 2019

Annual temperature Average annual temperature in °C World Bank 2019

Early lockdown Implementation of a national lockdown within 1 month of the first confirmed case (dichotomous) Wikipedia, Press 2020

Individualism Cultural dimension score for preference for a loosely knit social framework in which individuals are expected to take care of only themselves and their immediate families (0-100) Hofstedee 2015

Uncertainty avoidance Cultural dimension score for degree to which the members of a society feel uncomfortable with uncertainty and ambiguity (0-100) Hofstede 2015
ICTf infrastructure enabling physical distancing



Credit card ownership The percentage of respondents who report having a credit card (aged 15+) World Bank 2017

Broadband speed Broadband internet speed in Mbps Ookla 2019
Medical ICT infrastructure and policy



Telehealth policy (stated) Country with a stated telehealth policy or strategy (1: yes, 0: otherwise) World Health Organization 2015

Telehealth policy (implied) Country with no specific telehealth policy or strategy but is referred in an overall eHealth policy or strategy (1: yes, 0: otherwise) World Health Organization 2015

Government health websites Government-supported health internet sites providing information (1: available, 0: not available) World Health Organization 2015

Training ICT health Institutions offering in-service training to health professionals on ICT for health (1: available, 0: not available) World Health Organization 2015

National EHRg Country with a national EHR (1: available, 0: not available) World Health Organization 2015

aData collected as of July 28, 2020.

bData collected as of August 9, 2020.

cGDP: gross domestic product.

dPPP: purchasing power parity.

eDefinitions for Hofstede variables were obtained online [32].

fICT: information and communications technology.

gEHR: electronic health record.