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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.