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. Author manuscript; available in PMC: 2011 May 10.
Published in final edited form as: Am J Clin Nutr. 2010 Apr 7;91(6):1745–1751. doi: 10.3945/ajcn.2009.29128

Table 5.

Association between birthweight and DXA measures of body composition in childhood

Unadjusted1
 Adjusted for confounders1,2
Outcome3 n β (95% CI) P β (95% CI) P
Fat mass (SD) 4 years 539 0.22 (0.06, 0.38) 0.008 0.18 (0.00, 0.37) 0.05
6 years 400 0.19 (0.00, 0.37) 0.05 0.16 (−0.04, 0.36) 0.12
Fat-free mass (SD) 4 years 539 0.16 (0.05, 0.27) 0.004 0.21 (0.09, 0.34) 0.0009
6 years 400 0.18 (0.06, 0.29) 0.003 0.28 (0.15, 0.42) < 0.0001
1

regression coefficient (β) from multiple linear regression of childhood body composition measurements on birthweight (effect per kg increase);

2

confounders were maternal pre-pregnancy BMI, smoking in pregnancy, age, height, parity, educational attainment and breastfeeding duration;

3

adjusted for sex, age at measurement and childhood height