Table 2 Results from the PGLS regression analyses including the effect of body mass and locomotion for Sciuroidea.

From: The impact of locomotion on the brain evolution of squirrels and close relatives

Regression

Model - PGLS

AIC

Intercept

slope (Pred. 1)

slope (Pred. 2)

slope (Pred.1*Pred. 2)

P-value (Pred. 1)

P-value (Pred. 2)

P-value (Pred. 1*Pred. 2)

Lambda

RSE

Df

1.EB

Lambda

-79.080

-1.075

0.691

0.077

-0.042

0.000

0.121

0.024

0.722

0.103

38, 34

1.PB

Lambda

-20.372

-1.986

0.705

0.446

-0.091

0.000

0.056

0.027

0.535

0.189

37, 33

2.PE

Lambda

-30.028

-1.115

0.825

-0.046

0.000

0.009

0.544

0.171

37, 34

2.NE

Brownian

-120.954

-0.503

0.976

-0.014

0.000

0.001

1.008

0.130

38, 35

1.OB

Ornstein-Uhlenbeck

-47.930

-0.625

0.511

-0.014

0.000

0.332

0.293

0.122

38, 35

2.OE

Lambda

-50.479

-0.927

0.862

0.017

0.000

0.182

0.690

0.149

38, 35

  1. 1.EB, Endocranial volume ~ Body mass + Locomotion * Body mass; 1.PB, Petrosal lobule volume ~ Body mass + Locomotion * Body mass; 2.PE, Petrosal lobule volume ~ Endocranial volume + Locomotion; 2.NE, Neocortex surface area ~ Endocranial surface area + Locomotion; 1.OB, Olfactory bulb volume ~ Body mass + Locomotion; 2.OE, Olfactory bulb volume ~ Endocranial volume + Locomotion; AIC, Akaike Information Criterion; Df, degrees of freedom; RSE, Residual standard error.
  2. Significant p-values are highlighted in bold.