. Author manuscript; available in PMC: 2014 Sep 1.

Published in final edited form as: Obesity (Silver Spring). 2013 Aug 13;22(3):875–881. doi: 10.1002/oby.20517

Table 4.

Comparison of the GRS effect (β_GRS), genetic variance (σ_G), and environmental variance (σ_E) across various life stages.

	σ_E	σ_G	β_GRS
Birth	0.71 (0.07)^ac	0.67 (0.08)^a	0.0001 (0.012)^a
Infancy (9 mos)	0.48 (0.10)^b	0.86 (0.08)^b	0.026 (0.013)^acd
Childhood (7 yrs)	0.53 (0.07)^ab	0.84 (0.07)^ab	0.036 (0.010)^cd
Adolescence (11 yrs)	0.48 (0.07)^b	0.87 (0.06)^bc	0.038 (0.010)^cd
Young adulthood (19 yrs)	0.54 (0.07)^bc	0.83 (0.07)^abc	0.016 (0.011)^abc
Young adulthood (30 yrs)	0.64 (0.06)^abc	0.73 (0.06)^abc	0.049 (0.011)^d
Mid-Adulthood (40 yrs)	0.75 (0.06)^c	0.61 (0.08)^ac	0.054 (0.012)^ad

^a,b,c,d

Estimates with different letters are significantly (p < 0.05) different from each other. All comparisons are not significant after adjusting for multiple testing using Holm-Bonferroni.