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Table 2 Effects of sex, colour and batch number on ZM, novel cage and shuttlebox variables.

From: Effects of environmental and physiological covariates on sex differences in unconditioned and conditioned anxiety and fear in a large sample of genetically heterogeneous (N/Nih-HS) rats

Variable

 

Sex

Colour

Batch

Sex × Colour

Sex × Batch

Colour × Batch

Sex × Colour × Batch

ZM-E

F =

P =

59.6

< .001

2.4

< .05

3.6

< .01

2.4

< .05

4.5

< .001

2.0

< .01

1.9

< .01

ZM-T

F =

P =

37.5

< .001

1.9.

n.s.

5.5

< .001

1.6

n.s.

3.3

< .01

1.7

< .05

1.9

< .01

ZM-SAP

F =

P =

77.0

< .001

3.7

< .01

75.2

< .001

0.9

n.s.

4.0

< .001

2.1

< .01

1.2

n.s.

NACT-DIST5

F =

P =

58.0

< .001

3.4

< .01

9.3

< .001

0.1

n.s.

2.6

< .05

1.2

n.s.

1.2

n.s.

NACT-DIST30

F =

P =

4.9

< .05

3.5

< .01

3.5

< .01

0.5

n.s.

0.5

n.s.

1.0

n.s.

1.0

n.s.

FREEZ

F =

P =

40.3

< .001

4.6

< .001

9.7

< .001

1.0

n.s.

1.6

n.s.

0.7

n.s.

1.7

< .05

SHAV-ITC

F =

P =

49.0

< .001

5.2

< .001

4.4

< .001

0.4

n.s.

3.4

< .01

0.8

n.s.

1.6

< .05

  1. Factorial ANOVA analyses, "2 sex × 5 colour × 6 batch", for ZM test, novel-cage activity and shuttlebox variables. For each sex and batch there was a minimum n = 85 rats. Across batches, females were n = 85-144 and males were n = 106-140. See Table 1 for variable symbols.