Table 3. Model comparisons for the relationship between human-induced environmental change and reptilian baseline corticosterone, using global and US-based data sets.

Model *	K	DIC	ΔDIC	Weight
Global data, reptilian baseline (n = 108 measures from 32 species)
reptilian baseline cort ~ mass + sex + temp + precip + life history stage + max breeding attempts + life history stage*max breeding attempts (null model)	12	556.41	0	0.26
reptilian baseline cort ~ mass + sex + temp + precip + life history stage + max breeding attempts + life history stage*max breeding attempts + human footprint index	13	556.72	0.31	0.22
reptilian baseline cort ~ mass + sex + temp + precip + life history stage + max breeding attempts + life history stage*max breeding attempts + human population density	13	556.74	0.33	0.22
reptilian baseline cort ~ mass + sex + temp + precip + life history stage + max breeding attempts + life history stage*max breeding attempts + ALAN	13	557.26	0.95	0.17
reptilian baseline cort ~ mass + sex + temp + precip + life history stage + max breeding attempts + life history stage*max breeding attempts + human footprint index + ALAN + human population density	15	557.62	1.21	0.14
reptilian baseline cort ~ 1 (intercept only)	5	565.90	9.493	0
USA data, reptilian baseline (n = 227 measures from 15 species)
reptilian baseline cort ~ mass + sex + temp + precip + life history stage + max breeding attempts + life history stage*max breeding attempts (null model)	12	208.11	0	0.71
reptilian baseline cort ~ mass + sex + temp + precip + life history stage + max breeding attempts + life history stage*max breeding attempts + anthropogenic noise	13	210.60	2.49	0.20
reptilian baseline cort ~ 1 (intercept only)	5	212.34	4.24	0.09

^*All models include ‘population ID’, ‘lab ID’ and ‘species’ as random effects.