Table 1.

Comparison of ethanol and sucrose consumption for each model and reinforcer.

	IA2BC		DID
Consumption	Ethanol	Sucrose	Ethanol	Sucrose
g/kg/30 min	0.81 ± 0.074	1.98 ± 0.085****	0.73 ± 0.077	2.21 ± 0.138####
g/kg/2 h	1.28 ± 0.098	3.58 ± 0.198****	1.23 ± 0.093	4.52 ± 0.220####
g/kg/session	3.34 ± 0.362	19.85 ± 0.881****	1.83 ± 0.140$$$	8.19 ± 0.410####,&&&
g/kg/week	10.56 ± 1.163	60.50 ± 2.731****	8.94 ± 0.687	37.30 ± 1.727####,&&&&
g/kg/hour	0.14 ± 0.007	0.83 ± 0.022****	0.46 ± 0.013$$$$	2.05 ± 0.045####,&&&&

For each model and reinforcer multiple t-tests with Holm-Sidak correction (alpha = 0.010) were performed; n = 8–12 per group; ****p < 0.0001 IA2BC ethanol compared to IA2BC sucrose; ^####p < 0.0001 DID ethanol compared to IA2BC Sucrose; ^$$$p < 0.001, ^$$$$p < 0.0001 IA2BC ethanol compared to DID ethanol; ^&&&p < 0.001, ^&&&&p < 0.0001 IA2BC sucrose compared to DID sucrose.