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. 2020 Aug 11;117(35):21201–21208. doi: 10.1073/pnas.2010625117

Table 2.

Marginal risk set model predicting adoption of COVID-19 policies

Model 1 Model 2 Model 3 Model 4 Model 5
GDP per capita (log) 0.274 0.247* 0.720 0.583 0.522
(0.230) (0.136) (0.743) (0.526) (0.412)
Tax revenue (% of GDP) 1.004 0.965 0.995 0.983 0.975
(0.054) (0.052) (0.051) (0.061) (0.061)
GINI index (income) 0.844** 0.830** 0.816** 0.807** 0.802**
(0.052) (0.055) (0.056) (0.056) (0.060)
Hospital beds (per 1,000 people) 0.743* 0.730* 0.753* 0.701* 0.680*
(0.100) (0.100) (0.096) (0.104) (0.104)
Population age ≥65 (%) 0.877 0.875 0.944 0.940 0.938
(0.089) (0.074) (0.087) (0.095) (0.084)
Urban population (%) 0.978 0.994 0.976 0.982 0.988
(0.029) (0.028) (0.028) (0.029) (0.031)
Population density (log) 1.923*** 1.938*** 1.940*** 2.006*** 2.007***
(0.362) (0.329) (0.351) (0.312) (0.302)
Death rate (per 100,000) 0.331 0.097+ 0.087+
(0.319) (0.132) (0.114)
Adoption density (OECD region) 1.302*** 1.320*** 0.471*
(0.087) (0.103) (0.162)
Electoral democracy 0.921** 0.939* 0.882***
(0.029) (0.030) (0.016)
Adoption density × electoral democracy 1.013**
(0.004)
Observations 5,278 5,278 5,278 5,278 5,278
Number of countries 36 36 36 36 36
Number of failures 138 138 138 138 138
Pseudo-R-squared 0.103 0.126 0.129 0.158 0.166
Log likelihood −706.5 −689.0 −686.6 −663.5 −657.0

SEs in parentheses are clustered at the country level. ***P < 0.001, **P < 0.01, *P < 0.05, + P < 0.10.