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. Author manuscript; available in PMC: 2020 Mar 1.

Published in final edited form as: Stress. 2019 Jan 10;22(2):265–275. doi: 10.1080/10253890.2018.1553948

Table 2.

Hair corticosterone concentrations at baseline and post-stressor (mean ± SEM).

Group	Corticosterone (pg/mg hair)

	Baseline	Post-stressor	Change^a	p^b
Isolated	14.7±1.2	30.4±5.2	16.5±5.3	0.008
Isolated, wheel	30.5±3.5	36.1±5.5	5.9±4.2	0.182
Paired	23.8±3.0	30.2±4.6	7.5±3.5	0.049
Paired, wheel	19.4±2.4	35.7±5.7	16.5±5.3	0.006

^a.

Change calculated as average of difference scores (i.e., post-stressor — baseline) for all individuals in an experimental group.

^b.

p value corresponds to t test comparison of baseline and post-stressor within an experimental group.