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Biblioteca Digital - Universidad de Chile
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Birth weight and obesity risk at first grade in a cohort of Chilean children

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2011-02
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Loaiza, S.
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Birth weight and obesity risk at first grade in a cohort of Chilean children
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Author
  • Loaiza, S.;
  • Coustasse, A.;
  • Urrutia Rojas, X.;
  • Atalah Samur, Eduardo;
Abstract
The purpose of the study was to determine the association of birth weight as a risk factor for obesity at first grade in a cohort of elementary school Chilean children. Height and weight at birth and follow up measurements at first grade were analyzed from a national cohort of 119,070 new borns. Subjects were classified by anthropometric characteristics: new born weight in kilograms, Ponderal Index, (birth weight/height(3) x 100), and gestational age (physical maturity) categories at birth. The study tested the hypothesis that a macrocosomic newborn >= 4,000 g or > 8.8 pounds) or Large for Gestational Age, would be at higher risk to be obese at first grade. A positive relationship between birth weight a 4,000 g, (O.R. =1.55), (p < 0.001), high Ponderal Index (O.R. = 1.39), (p < 0.001), large for gestational age (O.R. = 1.51), (p < 0.001), and obesity at first grade was found. Macrosomic children were more likely to be obese at first grade after controlling for the effects of confounding prenatal variables (O.R. = 1.67, (p < 0.001). When weight gain between birth and first grade was a >= 120% of reference value, the obesity risk was 20 times higher (p < 0.001). A direct and statistically significant relationship between high birth weight and obesity at first grade in this group of Chilean children were observed. These results highlight the significance of birth weight as an important tool for healthcare providers that can be used as an indicator of obesity risk for children.
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Artículo de publicación ISI
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URI: https://repositorio.uchile.cl/handle/2250/128904
DOI: DOI: 10.3305/nh.2011.26.1.5009
ISSN: 0212-1611
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NUTRICION HOSPITALARIA Volume: 26 Issue: 1 Pages: 214-219 Published: JAN-FEB 2011
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