Table 5.

2 g/kg group strain means (± SEM) for time spent on the grid floor (s/min), percent time on the ethanol floor and activity (counts/min) during testing.

Strain	(n)	GRID+ (s/min)	(n)	GRID− (s/min)	Percent EtOH Time*	Test Activity* (activity/min)
129P3/J	12	44.4±2.9	13	37.2±3.2	55.3±5.1	29.8±1.2
A/HeJ	13	46.3±1.4	12	24.0±1.8d	69.0±2.5	33.7±1.8
AKR/J	12	34.8±2.2	13	22.7±1.3d	60.2±2.1	47.4±2.0
BALB/cJ	13	34.1±1.5	13	32.6±2.0	51.3±2.4	59.9±2.7
C3H/HeJ	12	40.0±2.0	12	33.4±2.0a	55.5±3.3	29.8±1.1
C57BL/6J	13	35.9±1.4	13	32.4±2.1	53.0±2.5	50.7±3.5
C57L/J	13	32.9±1.8	13	32.8±1.8	50.1±2.3	59.3±3.6
C58/J	13	33.6±2.9	12	30.3±2.3	52.9±3.1	75.5±3.1
CBA/J	12	40.2±1.1	14	31.2±2.2b	56.7±2.9	35.1±0.9
DBA/1J	14	33.0±3.1	14	26.0±2.2	55.8±3.1	41.6±1.7
DBA/2J	13	38.4±2.1	13	25.8±3.1b	60.5±3.2	46.0±2.1
NZB/B1NJ	13	42.7±2.5	13	25.1±3.4c	64.7±3.7	23.8±1.6
PL/J	12	38.2±1.3	12	31.4±2.3a	55.7±2.7	39.5±3.5
SJL/J	12	40.3±3.0	14	31.0±2.6a	57.0±3.7	27.4±1.6
SWR/J	12	37.1±1.7	12	32.7±1.7	53.7±2.6	35.6±1.0
Grand Mean		38.1±0.6		29.9±0.7d	56.8±0.8	42.4±0.9
Heritability		0.23		0.19	0.09	0.60

^*GRID+ and GRID− groups combined

d= p < .0001, c= p < .001, b= p < .01, a= p < .05, significant difference from GRID+