Table 3.

Associations between I _s and cancer incidence (all ages) in different country groupings

	Pearson's r		Nonparametric
	Pearson's r	Significance	Spearman's rho	Significance
WHO region
AFRO, n = 44	−0.151	0.329	−0.099	0.523
AMRO, n = 29	−0.695	<0.001	−0.662	<0.001
EMRO, n = 21	−0.043	0.852	0.081	0.729
EURO, n = 49	−0.800	<0.001	−0.738	<0.001
SEARO, n = 11	−0.034	0.920	−0.191	0.574
WPRO, n = 19	−0.590	0.008	−0.599	0.007
The World Bank income
High, n = 48	−0.402	0.005	−0.311	0.032
Upper middle, n = 48	−0.647	<0.001	−0.577	<0.001
Low middle, n = 47	−0.425	0.003	−0.418	0.003
Low, n = 30	−0.166	0.381	−0.104	0.586
Other country groupings
Arab World, n = 21	−0.152	0.512	−0.086	0.710
English, official language, n = 50	−0.692	<0.001	−0.625	<0.001
OECD, n = 33	−0.539	<0.001	−0.204	0.255
APEC, n = 19	−0.616	0.005	−0.730	<0.001
ACD, n = 27	−0.447	0.019	−0.373	0.055
SADC, n = 14	−0.243	0.403	−0.169	0.563