BMC Ecology and Evolution

Table 2 Results for Mixed Effect models on Fitness components

From: Fitness consequences of female multiple mating: A direct test of indirect benefits

Size at birth
F1	Estimate	Std. error	DF	P
Fixed effect
Intercept	−0.160	0.008	191	<0.001
Random effects	Std. Dev.
Tank (Intercept)	0.068
Residual	0.044
F2	Estimate	Std. error	DF	P
Fixed effect
Intercept	0.859	0.006	262	<0.001
Random effects	Std. Dev.
Tank (Intercept)	0.020
Residual	0.057
Growth rate
F1	Estimate	Std. error	DF	P
Fixed effect
Intercept	−2.192	0.024	190	<0.001
Random effects	Std. Dev.
Tank (Intercept)	0.184
Residual	0.162
F2	Estimate	Std. error	DF	P
Fixed effect
Intercept	−2.120	0.041	274	<0.001
Random effects	Std. Dev.
Tank (Intercept)	0.204
Residual	0.190
Time to sexual maturation
F1
Fixed effect	Estimate	Std. error	DF	P
Intercept	3.825	0.034	84	<0.001
Random effects	Std. Dev.
Tank (Intercept)	0.253
Residual	0.130
F2
Fixed effect	Estimate	Std. error	DF	P
Intercept	3.720	0.027	242	<0.001
Random effects	Std. Dev.
Tank (Intercept)	0.174
Residual	0.201

Effect of mating treatment on size at birth, growth rate and time to sexual maturation in F1s and F2s using linear mixed-effects models. Tank of origin was used as a random effect nested within mating treatment. Parameters are only shown for best-fitted model. Selection of best-fitted model and Akaike weights are shown in Additional file 2: Supporting Information 2.

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