. 2015 Feb 25;10(2):e0118695. doi: 10.1371/journal.pone.0118695

Table 2. The effect of (a) target behaviours and (b) target behaviour combined with subject role on urinary glucocorticoid levels in chimpanzees.

(a)
Variable	df	χ2	p	Parameter	β	SE	t
Target behaviour	1	5.35	0.021	Aggression (test)	26.91	10.99	2.45
				Resting (control)	0

(b)
Variable	df	χ2	p	Parameter	β	SE	T
Target behaviour and role of subject	2	5.48	0.065	Aggression: aggressor	23.00	15.66	1.47
Target behaviour and role of subject				Aggression: victim	28.47	11.84	2.41
				Resting: control	0
				**Aggression: aggressor**	*5.48*	*15.66*	*0.35*
				**Aggression: victim**	0

Estimates from variables in italics were taken from a re-run of the model.