Table 1.

Unilinear and multilinear regression results.

	Humans (N=417)		Macaques (n=68)
Dependent Variables	r2	p	r2	p
DSN
Univariate Analyses
age	0.072	<0.000	0.331	<0.000
sex	0.002	<0.317	0.148	<0.001
body mass	na	na	0.180	<0.000
Multivariate Analyses
1. full model	0.075		0.394
age		<0.000		<0.000
sex		<0.227		<0.012
2. full model	na		0.470
age		na		<0.000
sex		na		<0.812
body mass		na		<0.000
OST
Univariate Analyses
age	0.334	<0.000	0.427	<0.000
sex	0.005	<0.173	0.197	<0.000
body mass	na	na	0.255	<0.000
Multivariate Analyses
1. full model	0.341		0.512
age		<0.000		<0.000
sex		<0.035		<0.001
2. full model	na		0.625
age		na		<0.000
sex		na		<0.842
body mass		na		<0.000