. 2024 Oct 5;71(4):425–431. doi: 10.1093/cz/zoae060

Table 2.

Results from the mixed effects Cox survival model explaining variation in adult yellow-bellied marmot (Marmota flaviventer) summer survival. Bolded results are considered statistically significant (P-value < 0.05). The model includes 275 individuals and a total of 837 unique observations that were collected over 20 years

	Variable	coef	exp(coef)	se(coef)	P-value
Fixed effects	Log₁₀ rate AC	0.628	1.87	0.101	<0.001
	Sex (male)	0.413	1.51	0.138	0.003
	Valley position (up)	0.084	1.09	0.130	0.519
	Predation index (low)	0.040	1.04	0.131	0.758

Random effects	Variable		Variance	SD
	Marmot ID		1.55 × 10⁻⁴	0.012
	Colony ID		1.30 × 10⁻⁵	0.004