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首页> 外文期刊>Journal of the Academy of Nutrition and Dietetics >The Impact of 1 Year of Healthier School Food Policies on Students’ Diets During and Outside of the School Day
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The Impact of 1 Year of Healthier School Food Policies on Students’ Diets During and Outside of the School Day

机译：1年度健康学校食物政策对学生饮食的影响

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BackgroundIn 2012, Massachusetts implemented both the updated national school meal standards and comprehensive competitive food/beverage standards that closely align with current national requirements for school snacks.ObjectivesThis study examines the impact of these combined standards on school meal and snack food selections, as well as food choices outside of school. In addition, this study examines the impact of these standards on nutrients consumed.DesignThe NOURISH (Nutrition Opportunities to Understand Reforms Involving Student Health) Study was an observational cohort study conducted among students from spring 2012 to spring?2013.Participants/settingOne hundred sixty students in 12 middle schools and high schools in Massachusetts completed two 24-hour recalls before (spring 2012) and after implementation (spring 2013) of the updated standards.Main outcome measuresChanges in school meals, competitive food, and after-school snack selection, as well as nutrients consumed outside of school were examined.Statistical analyses performedLogistic regression and mixed-model analysis of variance were used to examine food selection and consumption.ResultsAfter implementation, 13.6% more students chose a school meal (70.1% vs 56.5%;P=0.02). There were no differences in competitive food purchases but a significant decrease in the number of after-school unhealthy snacks consumed (0.69 [standard error=0.08] vs 1.02 [standard error=0.10];P=0.009). During the entire day, students consumed, on average, 22 fewer grams of sugar daily after implementation compared with before implementation (86 g vs 108 g;P=0.002).ConclusionsWith the reduction in the number of unhealthy school snacks, significantly more students selected school meals. Students did not compensate for lack of unhealthy snacks in school by increased consumption of unhealthy snacks outside of school. This provides important new evidence that both national school meal and snack policies may improve daily diet quality and should remain strong.
机译：Mastuctuin 2012年，马萨诸塞州实施了最新的国家学校膳食标准和全面的竞争食品/饮料标准，与当前的学校小吃的国家要求紧密齐全。目前研究审查了这些联合标准对学校膳食和零食的影响以及零食食品选择的影响，以及在学校之外的食物选择。此外，本研究还研究了这些标准对消费的营养素的影响。滋养的营养（理解涉及学生健康的改革）研究是一项从2012年春季到春季的学生进行的观察队员研究？Participants / Carractone百六十名学生在12所中学和马萨诸塞州的高中完成了两份24小时召回（2012年春季）和更新标准的实施（2013年春季）。在学校膳食，竞争食物和课后小吃选项中的成果衡量措施，如随着学校以外消费的营养成分进行了检查。统计分析进行了对差异的表现分析和混合模型分析用于检查食物选择和消费。再次实施，13.6％的学生选择了学校膳食（70.1％Vs 56.5％; P = 0.02）。竞争食物购买没有差异，但消耗的课后不健康零食数量显着下降（0.69 [标准误差= 0.08] Vs 1.02 [标准误差= 0.10]; p = 0.009）。在整个一天，学生平均消耗，平均每天减少22克，在实施之前，与实施前相比学校饭菜。通过增加学校以外的不健康零食的消费，学生没有弥补学校缺乏不健康的小吃。这提供了重要的新证据，即国家学校用餐和零食政策可能会提高日常饮食质量，并应保持强劲。

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