Table 1.
Sociodemographic Parameters Included in the Study
| Parameter | Countries with national mask policya | Countries with no national mask policyb | |
|---|---|---|---|
| Median (IQR) | Median (IQR) | p-value | |
| Total population, n | 557,916,212 | 353,530,008 | |
| Average population per country (2020) | 5,850,343 (8,327,314) | 9,449,321 (29,392,625) | 0.46 |
| Median age, years | 41.9 (6.9) | 42.0 (2.8) | 0.80 |
| Sex (males per 100 female population) | 97.75 (8.34) | 98.46 (3.73) | 0.72 |
| Population aged >65 years, % | 16.25 (5.37) | 19.48 (2.92) | 0.14 |
| Urban population, % | 77.31 (24.06) | 82.25 (9.8) | 0.72 |
| Migrants (net) | 10,000 (38807.5) | 28,000 (39,270) | 0.30 |
| Density (population count/Km2) | 113.13 (215.72) | 122.58 (167.39) | 0.52 |
| Health expenditure, USD | 2,619 (1,080.5) | 4,228 (2,998) | 0.07 |
| ICU beds per 100,000 | 9.1 (3.3) | 9.2 (3.0) | 0.87 |
| Hospital bed per 1,000 | 4.69 (3.59) | 3.32 (1.99) | 0.22 |
| Overall social trust score | 0.80 (0.11) | 0.87 (0.18) | 0.30 |
a
Austria, Bahrain, Cyprus, Czech Republic, Estonia, Germany, Greece, Hong Kong, Iceland, Ireland, Hungary, Israel, Japan, South Korea, Latvia, Lithuania, Luxembourg, Malta, Oman, Poland, Portugal, Qatar, Russia, Singapore, Slovakia, Slovenia, United Arab Emirates.
b
Andorra, Belarus, Belgium, Brunei, Croatia, Denmark, Finland, France, Italy, Liechtenstein, Netherlands, Norway, Saudi Arabia, Spain, Sweden, Switzerland, United Kingdom.
USD, U.S. dollar; ICU, intensive care unit.