. Author manuscript; available in PMC: 2013 May 1.

Published in final edited form as: Pharmacol Biochem Behav. 2012 Jan 20;101(3):417–426. doi: 10.1016/j.pbb.2012.01.010

Table 2.

Ethanol intake and ethanol preference of saline-injected dyad-housed and single-housed rats

Measure	Test time	Dominant	Subdominant	Single
Ethanol intake (g/kg)	Pre-diad	0.587±0.049	0.790±0.055 ^D	0.697±0.039
Ethanol intake (g/kg)	Diad	0.841±0.059^*	0.690±0.043	0.658±0.055
Ethanol preference (%)	Pre-diad	77.96±2.21	82.01±2.30	73.98±2.56
Ethanol preference (%)	Diad	78.20±1.53	82.81±1.32	78.44±1.38

Ethanol intake was assessed during a 1-hour daily session. Ethanol preference was calculated as a percent of the total fluid intake. Data represents the mean ± SEM for 13 rats per group.

^(D)

Designates statistically significant difference from the dominant rats.

Designates statistically significant difference from the pre-diad test. Level significance was set at P<0.0167 as determined by the Bonferroni test