Table 1.

Statistical results of multivariate models on the fixed effects predicting variation in plasma neopterin concentrations across male and female mandrills of all ages as well as across adult females only and juveniles only. Significant predictors (P < 0.05) are shown in bold.

	All animals (N = 200)				Adult females (N = 70)				Juveniles (N = 63)
Fixed effects	Estimate	Standard error	F	p-value	Estimate	Standard error	F	p-value	Estimate	Standard error	F	p-value
Sexa	F: 0.3152	0.1103	8.17	0.0052	–	–	–	–	F: −0.04339	0.1911	0.05	0.8242
Age	−0.457	0.1893	5.83	0.0177	0.0289	0.09658	0.09	0.7668	−1.7245	2.0732	0.69	0.4218
Age x Age	0.4101	0.1895	4.68	0.033	–	–	–	–	5.1559	9.2284	0.31	0.5866
Rankb	–	–	–	–	HR: 0.1915, MR: 0.1964	HR: 0.2274, MR: −0.2541	0.44	0.6481	–	–	–	–
Reproductive statusc	–	–	–	–	P: −0.3438, L: −0.2054 NC: −0.2683	P: 0.2423, L: 0.3454 NC: 0.2594	0.68	0.5688	–	–	–	–
Cumulated rainfall	0.01626	0.1391	0.01	0.9072	0.09471	0.0874	1.17	0.2869	−1.1676	0.6916	2.85	0.1172
Reproductive seasond	NR: 0.172	0.2657	0.42	0.519	–	–	–	–	NR: 2.0165	1.0431	3.74	0.0771
P. gonderi	−0.02922	0.0467	0.39	0.5331	−0.00421	0.08348	0	0.9601	−0.01037	0.2737	0.02	0.8801
P. mandrilli	0.009779	0.04742	0.04	0.8371	0.03278	0.08448	0.15	0.7006	4.3206	28.0363	0	0.9704
Storage time	0.2297	0.2668	0.74	0.3913	–	–	–	–	−1.5944	1.3134	1.47	0.2481
Storage time x storage time	−0.4154	0.26	2.55	0.1135	–	–	–	–	1.2149	1.2362	0.97	0.3451

^aReference: males (F: females).

^bReference: low rank (HR: high rank; MR: mid rank).

^cReference: cycling females (P: pregnant females, L: lactating females, NC: non-cycling females).

^dReference: reproductive season (NR: non-reproductive season).