Values in brackets are 95% credible intervals. ‘Sex’ indicates
difference in males relative to females; ‘Age’ is the effect in years;
’IR’ is an individual’s internal relatedness value; ‘Season’ is the
effect of breeding season relative to non-breeding; and Age*IR is the
interaction. Random effect variance estimates, genetic heritability
(h2) and proportion of variance attributed to maternal
effects (ICCME) are all presented on both latent and
observed data-scale. Parameters estimates were converted to the observed
data-scale using QGglmm package. N=195
individuals, for whom maternity was known, born to 106 mothers.