Table 1.

Results of GLMM analyses of male-infant affiliation (final model, z and p values not shown for intercept and variables/interactions comprised by a higher interaction)

full model
Predictor Variable	Estimate	SE	z	p
Intercept	−5.50	0.13
Autocorrelation term	0.26	0.01	41.57	0.000
Main effects
Male age	0.45	0.11	4.11	0.000
Male rank	−0.07	0.03	−2.80	0.005
Number of maternal kin of focal	0.00	0.04	−0.13	0.893
Focal rank	−0.07	0.04	−1.73	0.084
Initiation	−0.42	0.06
Focal sex	0.42	0.09
Paternity	−0.11	0.15
Mother’s condition	−1.26	0.06
Focal age	0.54	0.05
Focal age squared	−0.36	0.04
2 way interaction
Paternity: Mother’s condition	0.47	0.26
Focal sex : Focal age	0.23	0.06
Focal sex : Focal age squared	−0.24	0.06
Paternity : Focal age	−0.42	0.17
Paternity : Focal age squared	−0.13	0.18
Mother’s condition : Focal age	−1.20	0.05
Mother’s condition : Focal age squared	0.43	0.05
Initiation : Focal sex	0.11	0.07
Paternity : Initiation	0.11	0.22
Initiation : Mother’s condition	0.80	0.07
Initiation : Focal age	0.47	0.06
Initiation Focal age squared	0.04	0.05
3 way interaction
Initiation : Paternity : Mother’s condition	0.08	0.34
Initiation : Focal sex : Focal age	0.01	0.06	0.21	0.834
Initiation : Focal sex : Focal age squared	0.02	0.06	0.31	0.759
Initiation : Paternity : Focal age	0.19	0.26
Initiation : Paternity : Focal age squared	0.06	0.25
Initiation : Focal age : Mother’s condition	−0.32	0.07
Initiation : Focal age squared : Mother’s condition	0.08	0.07
Paternity : Mother’s condition : Focal age	0.15	0.31
Paternity Mother’s condition : Focal age squared	−0.29	0.34
4 way interaction
Initiation : Paternity : Mother’s condition : Focal age	−0.07	0.39	−0.17	0.864
Initiation : Paternity : Mother’s condition : Focal age squared	0.28	0.40	0.70	0.486