Table 2.

Linear mixed-effects model by restricted maximum likelihood (REML) for gut location and treatment on Shannon diversity and richness.

	d.f.	F	P-value	Significant contrasts
Main Effects – Shannon H’ index
AIC = 158.89, BIC = 200.12, logLik = −61.44
Gut location	2	14.80	<0.001*	Midgut higher than pyloric and hindgut
Treatment	4	0.5606	0.06920
Location: Diet	8	1.5424	0.1591
Main Effects – Richness
AIC = 715.91, BIC = 757.13, logLik = −339.95
Gut location	2	12.15	<0.001*	Midgut higher than pyloric and hindgut
Treatment	4	0.51	0.7241
Location: Diet	8	0.71	0.6737

*Statistical significance at P < 0.05.

d.f., degrees of freedom; AIC, Akaike information criterion; BIC, Bayesian information criterion; logLik, log of likelihood.