Table 2. Statistical main effects and interactions during the long-term voluntary alcohol intake.

Parameters		Main effects	Interactions
Two-bottle choice
	Intake	Time***	-
	Preference	Time***	-
Three-bottle choice
	Total intake	Time **	Time × Supplier*
	5% intake	Time*	-
	20% intake	Time***, Supplier*	-
	Total preference	-	Time × Supplier x RC*
	5% preference	-	-
	20% preference	Time**, Supplier**	-
Water intake		Time***, Supplier*	-
Total fluid intake		Time***, Supplier*	Time × Supplier***

Main effects and interactions of time, supplier and rearing condition (RC), during the long-term voluntary alcohol intake with two- or three-bottle free-choice paradigms in the modified intermittent schedule during 20 weeks.

*p<0.05

**p<0.01

***p<0.001 in the R package nparLD.