Table 2.

Pearson’s correlation coefficients and p values for COVID cases and other factors

	Total cases per million	Tests per thousand	Stringency index	Population density	Median age	GDP per capita	Extreme poverty	Hospital beds/thousand	BCG Immuni-zation	DTP3 Immuni-zation	r/p
Total cases per million	1	0.42886	0.2582	− 0.099699	0.11561	0.36497	− 0.22875	− 0.021876	− 0.22236	0.18427	r
	1	0.0032881	0.086803	0.51465	0.4495	0.013698	0.13068	0.88658	0.14207	0.22561	p
Tests per thousand	0.42886	1	− 0.33173	− 0.036493	0.38069	0.76633	− 0.29337	0.28211	− 0.47359	0.34804	r
	0.0032881	1	0.026004	0.81189	0.0098853	8.4839e-10	0.050481	0.060442	0.0010164	0.019138	p
Stringency index	0.2582	− 0.33173	1	0.1241	− 0.53818	− 0.47519	0.24135	− 0.44037	0.045849	− 0.35718	r
	0.086803	0.026004	1	0.41669	0.00013723	0.00097169	0.11023	0.0024671	0.76489	0.016012	p
Population density	− 0.099699	− 0.036493	0.1241	1	− 0.13849	− 0.13351	0.17546	− 0.077743	− 0.069474	− 0.16258	r
	0.51465	0.81189	0.41669	1	0.36428	0.38192	0.24896	0.61173	0.65021	0.28594	p
Median age	0.11561	0.38069	− 0.53818	− 0.13849	1	0.64273	− 0.68238	0.70813	− 0.24357	0.65846	r
	0.4495	0.0098853	0.00013723	0.36428	1	1.9316e-06	2.436e-07	5.2981e-08	0.10689	8.8096e-07	p
GDP per capita	0.36497	0.76633	− 0.47519	− 0.13351	0.64273	1	-0.49649	0.44154	− 0.62533	0.48072	r
	0.013698	8.4839e-10	0.00097169	0.38192	1.9316e-06	1	0.00052269	0.0023952	4.3777e-06	0.00083048	p
Extreme poverty	− 0.22875	− 0.29337	0.24135	0.17546	− 0.68238	− 0.49649	1	− 0.44738	0.12645	− 0.64954	r
	0.13068	0.050481	0.11023	0.24896	2.436e-07	0.00052269	1	0.0020614	0.40782	1.383e-06	p
Hospital beds/thousand	− 0.021876	0.28211	− 0.44037	− 0.077743	0.70813	0.44154	− 0.44738	1	0.042477	0.51754	r
	0.88658	0.060442	0.0024671	0.61173	5.2981e-08	0.0023952	0.0020614	1	0.78174	0.00027185	p
BCG Immunization	− 0.22236	− 0.47359	0.045849	− 0.069474	− 0.24357	− 0.62533	0.12645	0.042477	1	− 0.09481	r
	0.14207	0.0010164	0.76489	0.65021	0.10689	4.3777e-06	0.40782	0.78174	1	0.53558	p
DTP3 Immunization	0.18427	0.34804	− 0.35718	− 0.16258	0.65846	0.48072	− 0.64954	0.51754	− 0.09481	1	r
	0.22561	0.019138	0.016012	0.28594	8.8096e-07	0.00083048	1.383e-06	0.00027185	0.53558	1	p

Pearson’s correlation coeffient and p value for the indicated independent variables compared in pairwise. Two-sided significance threshold was set at p < .05 (shaded in green)