Table 2.

Results for mixed effects model of average concreteness (null and interaction) and ANOVA comparing the two

Interaction model		Fixed effects				Random effects
		β	SE	t	p		Variance	SD
bvFTD Intercept		5.116	0.150	34.08	<0.001	Individual	0.002	0.048
Disease duration		0.019	0.016	1.199	0.239	Residual ε	0.025	0.158
svPPA		0.022	0.106	0.203	0.841
Education		–0.031	0.010	–3.10	0.004
Disease Duration*svPPA		–0.078	0.025	–3.11	0.004
Null model		Fixed effects				Random effects
		β	SE	t	p		Variance	SD
bvFTD intercept		5.153	0.172	30.01	<0.001	Individual	0.006	0.079
Disease duration		–0.011	0.014	–0.792	0.433	Residual ε	0.026	0.162
svPPA		–0.272	0.057	–4.77	<0.001
Education		–0.025	0.011	–2.23	0.034
ANOVA	df	AIC	BIC	Log likelihood	deviance	χ²	df	p
Interaction model	7	–26.20	–12.54	20.10	–40.20	8.57	1	0.003
Null model	6	–19.62	–7.91	15.81	–31.62