Table 2 For each predictor and control included in the model (after removing the non-significant interactions), mean estimates, standard errors (SE), two-sided 95% confidence intervals (CIs), z-values and p-values; significant test predictors are in bold, controls in italics and reference categories in parentheses.

From: Contagious yawning and scratching in captive lemurs

Predictors

Estimate

SE

2.5 to 97.5% CI

z value

p-value

Intercept

− 2.34

0.29

− 2.93 to − 1.76

− 7.81

< 0.001

Whether subjects observed the trigger event (binomial)

0.93

0.13

0.68 to 1.19

7.14

< 0.001

Species (Red ruffed lemur)

− 0.39

0.17

− 0.74 to − 0.05

− 2.26

0.023

Behavior (Yawning)

− 1.11

0.27

− 1.65 to − 0.58

− 4.09

< 0.001

Model’s centrality

0.40

0.30

− 0.19 to 1.01

1.337

0.182

Subject’s sex (male)

0.08

0.14

− 0.20 to 0.36

0.56

0.571

Distance

− 0.17

0.06

− 0.31 to -0.04

− 2.56

0.010