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Table 6 Phenotypic and genetic correlations between measures of body composition at birth and in adulthood

From: Genetic insights into fetal growth and measures of glycaemic regulation and adiposity in adulthood: a family-based study

  Birth weight (g) Ponderal index
Traits measured in adulthood n ρP ρG (95% CI) n ρP ρG (95% CI)
Weight (kg) 411 0.25* 0.38 (0.09; 0.67)*# 411 0.15 0.12 (- 0.31; 0.55)
Height (cm) 411 0.16* 0.17 (- 0.14; 0.48) 411 - 0.08 0.33 (- 0.02; 0.68)
Waist (cm) 406 0.08 0.08 (- 0.27; 0.43) 406 0.08 - 0.24 (- 0.65; 0.17)
Waist-hip ratio 406 - 0.03 0.03 (- 0.32; 0.38) 406 - 0.01 - 0.36 (- 0.75; 0.03)
BMI (kg/m2) 411 0.16* 0.24 (- 0.07; 0.55) 411 0.12 - 0.01 (- 0.42; 0.40)
Fat mass (kg) 376 0.04 0.04 (- 0.29; 0.37) 376 0.01 - 0.06 (- 0.47; 0.35)
  1. Phenotypic correlations between traits were estimated as ρP (95% CI), and genetic correlations were estimated as ρG (95% CI). All correlations were adjusted for sex. *Correlation significantly different from zero (p < 0.05). #Correlation remained significant following adjustment for both birth weight and adult BMI susceptibility SNPs. All genetic correlations were significantly different from 1 (p < 0.05)