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标题：Dietary Energy Density and Its Association with Overweight or Obesity in Adolescents: A Systematic Review of Observational Studies
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作者：Andrea Arango-Angarita ; Sonia Rodríguez-Ramírez ; Lluis Serra-Majem 等
期刊名称：Nutrients
电子版ISSN：2072-6643
出版年度：2018
卷号：10
期号：11
页码：1612-1628
DOI：10.3390/nu10111612
出版社：MDPI Publishing
摘要：Dietary energy density (DED) has been identified as a crucial dietary factor in body weight control, in that higher DED has been associated with weight gain. To our knowledge, no review studies have explained this association specifically in adolescents. The aim of this study was to describe the association of DED with overweight or obesity (OW/O) in adolescents, as derived from observational studies. We conducted a systematic search of the MEDLINE/PubMed and Science Direct databases, including studies published between January 2000 and December 2017. We selected the studies that included adolescents (aged 10–19 years) and contained DED-related information and anthropometric measurements of OW/O. From 1149 candidate studies, 30 were selected, though only 12 met all the inclusion criteria. Of these, only four found a positive association between DED and certain OW/O indicators, six found no association and two showed an inverse association with weight gain. These studies differed in several aspects such as design, DED calculation method and dietary assessment tool, leading to inconsistent results. Methodological differences found among the examined studies did not allow us to establish a clear conclusion of this association. Evidence in adolescents was also poor. New, standardized methodological approaches should be considered in future studies.
关键词：energy density; dietary energy density; overweight or obesity; weight gain; adolescents energy density ; dietary energy density ; overweight or obesity ; weight gain ; adolescents