Assessing newborn body composition using principal components analysis: differences in the determinants of fat and skeletal size
2006

Newborn Body Composition Analysis

Sample size: 699 publication 10 minutes Evidence: moderate

Author Information

Author(s): Beverley M. Shields, Bridget A. Knight, Roy J. Powell, Andrew T. Hattersley, David E. Wright

Primary Institution: Peninsula Medical School

Hypothesis

The study investigates the association between established determinants of birth weight and the separate components of fat and skeletal size.

Conclusion

The study found that fat and skeletal size at birth have different associations with known determinants, suggesting they may have different regulatory mechanisms.

Supporting Evidence

  • Gestational age was significantly related to skeletal size but not fat.
  • Maternal smoking was associated with a reduction in skeletal size.
  • Fat was associated with maternal glucose and parity.

Takeaway

This study looked at how babies' body sizes are made up of fat and bones, and found that different factors affect these parts in different ways.

Methodology

The study used principal components analysis on various anthropometric measurements taken from newborns and their parents.

Potential Biases

Potential bias due to the exclusion of multiple pregnancies and women with diabetes.

Limitations

The study focused only on healthy, term babies and may not be generalizable to preterm or unhealthy infants.

Participant Demographics

Participants were healthy, term, UK babies, primarily Caucasian, with measurements taken from both parents.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% CI: 0.24–0.66

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2431-6-24

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication