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Food Environment around School and Students' Weight Status: A Study of Four New Jersey Low-Income Communities.

机译：学校周围的饮食环境和学生的体重状况：新泽西州四个低收入社区的研究。

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摘要

Childhood obesity has been on the rise for the past decade, and it has been hypothesized that students' food choices may be influenced by easy access to food outlets near their schools that provide unhealthful options. But the results of recent studies on the relationship between the food environment around schools and student weight status are mixed and often contradictory. Most studies have used measures of weight and height that were self-reported by students, or have relied on data from a relatively small sample of students. I examine the association between weight status among school students and the food environment surrounding their schools using professionally-measured, student-level data across the full school-age spectrum. De-identified data were obtained for over 30,000 K-12 students in 79 public schools located in four New Jersey cities. Locations of alternative food-outlets (specifically, supermarkets, convenience stores, small grocery stores, and limited-service restaurants) were obtained from commercial sources and geocoded to develop proximity measures. A simplified social-ecological framework was used to conceptualize the multi-level the association between students' BMI and school proximity to food outlets and multivariate analyses were used to estimate this relationship controlling for student- and school-level factors. Over twenty percent of the students were obese, compared to the national average at 17% (Ogden, Carroll, Kit, & Flegal, 2012). On average, students had 2.6 convenience stores, 2.9 limited-service restaurants, and 0.1 supermarkets within a quarter mile of their school. This study suggests that easy access to small grocery stores (which this study uniquely examines as a separate food outlet category) that offer healthy choices including five types of fresh vegetable, five types of fresh fruits, low-fat dairy, and lean meats is associated with lower BMI z score and lower probability of being obese for middle and high school students. This suggests that improving access to such small food outlets may be a promising area for future investigation in obesity mitigation research. Also, this study separates students of pre-schools, kindergartens and elementary schools (neighborhood schools) from that of the middle and high schools (non-neighborhood) schools because the two groups of schools have different neighborhood characteristics, as well as open-school and bussing policies that result in different levels of exposure that students have to the food outlets around the schools. The result of this study suggests that the relationship between students' weight outcomes and food environment around schools is different in the two groups of schools.
机译：在过去的十年中，儿童肥胖症一直在增加，据推测，学生的食物选择可能会受到学校附近提供不健康选择的食物商店的便捷进出的影响。但是，最近关于学校周围食物环境与学生体重状况之间关系的研究结果参差不齐，而且常常是矛盾的。大多数研究使用的是学生自行报告的体重和身高测量方法，或依赖于相对较小的学生样本中的数据。我使用在整个学龄期范围内经过专业测量的学生水平数据，研究了学生体重状况与学校周围食物环境之间的关系。身份不明的数据来自新泽西州四个城市的79所公立学校的30,000多名K-12学生。可以从商业渠道获得替代食品出口的位置（特别是超市，便利店，小型杂货店和有限服务餐厅），并对其进行地理编码以制定邻近措施。简化的社会生态框架用于概念化学生BMI与学校与食品商店的邻近程度之间的多层次关联，并使用多元分析来估计这种对学生和学校层次因素的控制关系。超过20％的学生肥胖，而全国平均水平为17％（Ogden，Carroll，Kit和Flegal，2012年）。平均而言，学生在学校四分之一英里范围内拥有2.6家便利店，2.9家有限服务餐厅和0.1家超市。这项研究表明，可以轻松进入小型杂货店（该研究专门将其视为单独的食品出口类别）可以提供健康的选择，包括五种新鲜蔬菜，五种新鲜水果，低脂乳制品和瘦肉具有较低的BMI z分数，并且中，高中学生肥胖的可能性较低。这表明，改善对此类小食品商店的获取可能是减轻肥胖症研究未来研究的有希望的领域。此外，该研究将学前班，幼儿园和小学（邻里学校）的学生与初中和高中（非邻里学校）的学生区分开，因为两组学校具有不同的邻里特征以及开放式学校以及违反公交政策，导致学生接触学校周围食品商店的程度不同。这项研究的结果表明，两组学校的学生体重结果与学校周围饮食环境之间的关系是不同的。

著录项

  • 作者

    Tang, Xuyang.;

  • 作者单位

    Arizona State University.;

  • 授予单位 Arizona State University.;
  • 学科 Health Sciences Nutrition.;Sustainability.
  • 学位 M.S.
  • 年度 2013
  • 页码 96 p.
  • 总页数 96
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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