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Factors associated with early adiposity rebound. ALSPAC Study Team
A R Dorosty1, P M Emmett, S d Cowin
1University of Glasgow Department of Human Nutrition, Yorkhill Hospitals, Glasgow, Scotland.
Pediatrics
|May 3, 2000
Summary
Early adiposity rebound (AR), a key period for obesity development, is not linked to protein intake. Parental obesity, however, is associated with an earlier AR in children, increasing their risk.
Area of Science:
- Pediatric obesity research
- Childhood development and health
Background:
- Adiposity rebound (AR) timing is critical for obesity risk.
- Early AR significantly increases the likelihood of adult obesity.
- Factors influencing AR timing require further investigation.
Purpose of the Study:
- To investigate factors influencing the timing of adiposity rebound (AR).
- To test the hypothesis that high-protein intake promotes early AR.
- To examine associations between dietary intake, parental BMI, socioeconomic status, and AR timing.
Main Methods:
- Longitudinal cohort study of 889 UK children from birth to 5 years.
- Categorized children into groups based on AR timing: very early (≤43 months), early (49–60 months), and later (>61 months).
- Analyzed differences in dietary intake, parental BMI, socioeconomic status, and childhood BMI among AR groups.
Main Results:
- No significant association found between dietary protein intake or other dietary factors and AR timing.
- Children with very early and early AR had parents with significantly higher BMI.
- Parental obesity was strongly associated with an earlier AR.
Conclusions:
- The study does not support the hypothesis that high-protein intake promotes early AR.
- Dietary variables were not significantly associated with AR timing.
- Parental obesity is a significant predictor of earlier AR in children.