Table 1.

Sources of variation in male MUP expression following parental experience of competition (C) or noncompetition

Term	Estimate	Std error	DFDen	t Ratio	P value
Intercept	6,927.12	402.13	69.95	17.23	<0.0001
Father experience (C)	−272.99	134.00	27.11	−2.04	0.051
Mother experience (C)	307.32	134.13	27.34	2.29	0.029
Father x mother experience (C x C)	−68.24	134.71	27.53	−0.51	0.616
Creatinine, μg/mL	1.582	0.672	69.04	2.35	0.021

GLMM, n = 75 offspring. Litter of origin was added as a random effect and was significant (P = 0.03). DFDen, degrees of freedom in denominator of F statistic.