Table 3.

Model results for GLMMs testing the occurrence of tool use. p-values are presented only for the first model as the two other models were not significant (see Table 2). All numeric predictor variables were standardized to mean = 0 and SD = 1. For sex, ‘female’ is the reference level.

DOI: http://dx.doi.org/10.7554/eLife.16371.010

	1 week				7 weeks				13 weeks
	β	± se	z	p	β	± se	z	p	β	± se	z	p
Intercept	−3.55	0.42	−8.47	0.0000	−3.39	0.37	–	–	−3.40	0.37	–	–
Ripe fruit feeding	−0.24	0.26	−0.93	0.3525	−0.33	0.24	–	–	−0.35	0.24	–	–
Travel time	0.67	0.30	2.25	0.0242	0.30	0.27	–	–	0.32	0.26	–	–
Sex (male)	−0.07	0.58	−0.12	0.9062	0.04	0.54	–	–	0.04	0.55	–	–
Age	−0.56	0.33	−1.72	0.0855	−0.56	0.29	–	–	−0.55	0.29	–	–
Auto-correlation	0.80	0.18	4.44	0.0000	0.52	0.16	–	–	0.50	0.16	–	–