Table 14. Results of the full and reduced linear models on the six factors generated from the EFA.

Full model						Reduced model
	Estimate	SE	t-value	p-value	Partial eta-squared	Estimate	SE	t-value	p-value	Partial eta-squared
Factor1: Problem solving
Diet	1.425	1.044	1.366	0.176	0.010
Age	-0.009	0.006	-1.472	0.145	0.164	-0.016	0.004	-4.099	<0.0001	0.150
Training score	-0.002	0.016	-0.121	0.904	0.000
Age*diet	-0.014	0.008	-1.782	0.078	0.036
Diet*training score	0.012	0.022	0.527	0.599	0.005
Factor2: Sociability
Diet	-0.155	0.707	-0.219	0.827	0.033
Age	-0.008	0.004	-1.898	0.061	0.109	-0.009	0.003	-3.197	0.002	0.100
Training score	0.002	0.011	0.176	0.861	0.032
Age*diet	-0.003	0.005	-0.497	0.621	0.003
Diet*training score	0.022	0.015	1.489	0.140	0.026
Factor3: Trainability
Diet	1.203	1.546	0.778	0.438	0.003
Age	0.009	0.009	0.995	0.322	0.001
Training score	-0.023	0.024	-0.960	0.340	0.001
Age*diet	-0.015	0.012	-1.277	0.205	0.018
Diet*training score	0.043	0.033	1.298	0.198	0.022
Factor4: Boldness
Diet	-127.657	140.065	-0.911	0.365	0.001
Age	-2.234	0.788	-2.836	0.006	0.103	-1.653	0.512	-3.226	0.002	0.100
Training score	-0.453	2.151	-0.210	0.834	0.004
Age*diet	1.092	1.060	1.031	0.305	0.012
Diet*training score	-1.282	2.992	-0.429	0.669	0.003
Factor5: Activity-independence
Diet	-1.043	0.774	-1.347	0.181	0.001
Age	-0.007	0.004	-1.638	0.105	0.013
Training score	0.001	0.012	0.089	0.929	0.013
Age*diet	0.007	0.006	1.200	0.233	0.016
Diet*training score	0.012	0.017	0.730	0.467	0.005
Factor6: Dependency
Diet	-0.758	0.906	-0.837	0.405	0.003
Age	-0.013	0.005	-2.543	0.013	0.078	-0.009	0.003	-2.770	0.007	0.070
Training score	-0.005	0.014	-0.333	0.740	0.002
Age*diet	-0.001	0.019	-0.063	0.950	0.000
Diet*training score	0.007	0.007	1.007	0.317	0.012

Significant predictors (p<0.05) are highlighted in bold.