Intra-class correlations and heritability of weight, weight change and SITAR growth parameters from birth to six months in Gemini.

a% of variation (95%CI) estimated from standard ACE model-fitting analyses to model heritability of continuous data.bAdjustments to scores: scores modeled were residuals adjusted for gestational age and sex.cAdjustments to scores: scores modeled were residuals adjusted for gestational age, exact age at 3 or 6 months and sex.dAdjustments to scores: scores modeled were residuals adjusted for sex.