Table 1.

Results of the global linear model with mixed effect of presence during tests.

Response variable	AIC	Predictor variable	Estimate ± SE	df	P
Presence (0 or 1)	885.4	–
Presence (0 or 1)	796.8	Intercept (“no substrate, downward angle” for females)	− 1.81 ± 0.75		0.0154
		Mass	0.057 ± 0.023		0.0121
		Sex (male)	0.40 ± 0.35		0.2428
		age	− 0.024 ± 0.0054		< 0.001
		Condition “no substrate, upward angle”	− 2.00 ± 0.31		< 0.001
		Condition “post substrate, upward angle”	0.23 ± 0.25		0.3507
		Condition “substrate, upward angle”	0.54 ± 0.24		0.0265

Bold results are significant results with alpha = 0.05.