Table 2.

Matrix correlation between CCI (coverage, CIX and SII), governance indicators, GDP, Gini index, country surface area and population

	CCI	CIX for CCI	SII for CCI	Control of corruption	Government effectiveness	Political stability and absence of violence	Regulatory quality	Rule of law	Voice and accountability	Log GDP per capita	Gini index for income	Country surface area	Country population
CCI	1.00
CIX for CCI	−0.86	1.00
	p<0.001
SII for CCI	−0.80	0.96	1.00
	p<0.001	p<0.001
Control of corruption	0.37	−0.31	−0.28	1.00
	p<0.001	p=0.005	p=0.013
Government effectiveness	0.57	−0.39	−0.35	0.74	1.00
	p<0.001	p<0.001	p=0.001	p<0.001
Political stability and absence of violence	0.52	−0.53	−0.48	0.46	0.46	1.00
	p<0.001	p<0.001	p<0.001	p<0.001	p<0.001
Regulatory quality	0.43	−0.30	−0.27	0.69	0.84	0.37	1.00
	p<0.001	p=0.07	p=0.014	p<0.001	p<0.001	p<0.001
Rule of law	0.46	−0.37	−0.34	0.85	0.86	0.53	0.80	1.00
	p<0.001	p<0.001	p<0.001	p<0.001	p<0.001	p<0.001	p<0.001
Voice and accountability	0.32	−0.26	−0.21	0.59	0.62	0.45	0.66	0.66	1.00
	p=0.004	p=0.021	p=0.065	p<0.001	p<0.001	p<0.001	p<0.001	p<0.001
Log GDP per capita	0.63	−0.44	−0.44	0.25	0.54	0.26	0.47	0.38	0.24	1.00
	p<0.001	p<0.001	p<0.001	p=0.027	p<0.001	p=0.022	p<0.001	p<0.001	p=0.032
Gini index for income	−0.04	0.04	0.07	0.31	0.10	0.19	0.09	0.13	0.21	−0.11	1.00
	p=0.712	p=0.717	p=0.563	p=0.005	p=0.401	p=0.093	p=0.447	p=0.246	p=0.057	p=0.344
Country surface area	−0.20	0.31	0.32	−0.16	−0.04	−0.32	−0.08	−0.08	−0.10	0.01	−0.09	1.00
	p=0.069	p=0.005	p=0.004	p=0.147	p=0.697	p=0.003	p=0.502	p=0.489	p=0.367	p=0.910	p=0.416
Country population	−0.09	0.20	0.26	0.02	0.15	−0.17	0.05	0.17	0.13	−0.01	−0.11	0.52	1.00
	p=0.438	p=0.070	p=0.022	p=0.894	p=0.193	p=0.123	p=0.685	p=0.142	p=0.244	p=0.906	p=0.347	p<0.001

CCI, composite coverage index; CIX, concentration index.; GDP, gross domestic product; SII, slope index of inequality.