Table 2.

Coefficients from linear regression model of partial least squares (PLS) composite variables predicting alpha-diversity (Faith’s Phylogenetic Diversity), controlling for age and BMI

	β	t	P value
Intercept	21.911	8.52	<0.001
Component 1	0.717	2.71	0.008
Component 2	0.545	1.24	0.217
Age	−0.015	−0.57	0.569
BMI	−0.103	−1.32	0.188

BMI, body mass index.