Table 2.

Zero-order correlations between average national intelligence and log DALY owing to infectious disease within each of Murdock's (1949) six world regions. Values not in parentheses used LVE, values in parentheses used LVCD and values in square brackets used WEAM.

world area	correlation (r)	sample size (countries)	p-value
Africa	−0.80 (−0.80) [−0.49]	53 (22) [53]	<0.0001 (<0.0001) [0.0002]
Eastern Eurasia	−0.62 (−0.70)	20 (11)	0.0033 (0.016)
Insular Pacific	−0.85 (−0.83)	17 (12)	<0.0001 (0.0009)
North America	−0.65 (−0.76)	12 (7)	0.022 (0.049)
South America	0.077 (0.043)	23 (16)	0.73 (0.88)
Western Eurasia	−0.65 (−0.73)	59 (39)	<0.0001 (<0.0001)