| Influence of early life factors on body mass index trajectory during childhood: a population-based longitudinal analysis in the Western Brazilian Amazon. | |
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MedLine Citation:
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PMID: 23020806 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Low- to middle-income countries may experience the occurrence of a dual burden of under and overnutrition. To better understand the overall progression of body mass index (BMI) during childhood, we estimated average BMI-for-age z-score (BAZ) growth curves in a population-based longitudinal study of 255 children living in the Brazilian Amazon. Children were aged 0.1-5.5 years at recruitment (2003). We collected data on socio-economic and maternal characteristics, children's birthweight and infant feeding practices. Child anthropometric measurements were taken in 2003, 2007 and 2009. BAZ differences among categories of exposure variables were calculated at 6 and 12 months, and 2, 7 and 10 years. At baseline, the mean (standard deviation) age was 2.6 (1.4) years; 12.9% were overweight and 3.9% thin. After adjustment, mean BAZ estimates were mostly negative. Boys were close to the median value for BAZ until 12 months, whereas girls were below the median (P = 0.05). Children from households above the wealth median were 0.36 z- and 0.49 z-less underweight than poorer children at 7 and 10 years, respectively (P < 0.01). Maternal BMI was positively associated with children's BAZ since 12 months old; BAZ in children from overweight mothers was higher by 0.69 compared with their counterparts at 10 years (P < 0.01). Birthweight was positively related to BAZ up until 2 years (P = 0.01). Socio-economic background and maternal nutritional status are important predictors of BAZ throughout childhood. Although excessive weight gain is a public health concern, it is critical to restrict inequities, while promoting healthier growth in developing countries. |
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Authors:
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Barbara H Lourenço; Eduardo Villamor; Rosângela A Augusto; Marly A Cardoso |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-1 |
Journal Detail:
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Title: Maternal & child nutrition Volume: - ISSN: 1740-8709 ISO Abbreviation: Matern Child Nutr Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101201025 Medline TA: Matern Child Nutr Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2012 Blackwell Publishing Ltd. |
Affiliation:
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Public Health Nutrition Program, School of Public Health, University of São Paulo, São Paulo, Brazil. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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