Table 4.

Results of the GLMM for the effect of cycle stage, male rank class, mate guarding and ejaculation on the selected acoustic call parameters

Dependent variable		Cycle stage	Male rank class	Mate guarding	Ejaculation
	df numerator	2	1	1	1
Call duration	df denominator	75.5	104.0	103.5	102.4
	F	1.383	697	0.624	5.005
	P	0.257	0.415	0.431	0.027
No. of inhales	df denominator	103.3	100.8	101.0	100.2
	F	1.881	1.773	0.001	2.236
	P	0.158	0.86	0.976	0.138
No. of exhales	df denominator	103.7	101.5	101.9	100.0
	F	1.125	2.271	0.018	3.914
	P	0.329	0.135	0.892	0.051
Inhales/exhales	df denominator	103.6	101.2	101.4	100.5
	F	2.136	5.017	1.638	1.503
	P	0.123	0.027	0.203	0.223
Inhale duration	df denominator	85.8	82.7	83.2	81.9
	F	0.111	0.717	1.407	2.906
	P	0.895	0.399	0.239	0.092
Exhale duration	df denominator	100.4	100.1	100.1	100.0
	F	2.173	0.679	7.445	0.376
	P	0.119	0.412	0.008	0.541
Exhales/s	df denominator	102.1	100.3	100.4	99.9
	F	0.995	0.120	0.451	4.421
	P	0.373	0.729	0.503	0.038
Exhale interval	df denominator	102.2	100.3	100.4	99.8
	F	0.866	0.392	0.886	1.277
	P	0.424	0.533	0.349	0.261
Fundamental frequency	df denominator	59.7	67.4	67.7	65.3
	F	1.432	0.003	2.304	0.264
	P	0.247	0.954	0.134	0.609
Peak frequency	df denominator	27.1	77.9	75.0	71.5
	F	0.083	0.036	1.464	0.558
	P	0.920	0.850	0.230	0.457
DFB	df denominator	60.2	65.8	67.1	64.4
	F	2.293	0.030	2.696	0.021
	P	0.110	0.863	0.105	0.887
DFA1	df denominator	54.1	58.2	60.3	57.7
	F	0.876	1.260	0.001	0.800
	P	0.422	0.266	0.974	0.375
DFA2	df denominator	58.6	57.7	59.5	57.4
	F	1.802	0.794	0.266	0.728
	P	0.174	0.377	0.608	0.397
DFA3	df denominator	60.0	57.4	58.6	57.2
	F	20.93	0.316	0.462	1.366
	P	0.132	0.576	0.499	0.247

Values in italics depict statistically significant results