Table 1. Summary of results in open field test.

Measurement/Housing difference	Male			Female
	Exercise	Control		Exercise	Control
Line Crossings (frequency/10 min)	543 ± 30.9	413 ± 21.9		473 ± 33.6	428 ± 28.6
	**P=0.0014			P=0.33
Starting Latency (s)	0.7 ± 0.17	1.5 ± 0.34		0.8 ± 0.24	1.6 ± 0.35
	*P=0.046			P=0.093
Defecation (frequency/10 min)	2.2 ± 0.37	3.5 ± 0.44		3.1 ± 0.57	3.8 ± 0.47
	*P=0.038			P=0.36
Freezing (frequency/10 min)	2.2 ± 0.95	2.8 ± 0.82		1.4 ± 0.44	3.3 ± 0.89
	P=0.64			P=0.069
Grooming (s)	18.8 ± 2.61	16.2 ± 2.40		24.7 ± 8.39	15.8 ± 3.46
	P=0.48			P=0.35

Values showed the means ± SEM, n=20 per group.**P<0.01 and *P<0.05.