Testing the effectiveness of an abbreviated version of the Nutrition Detectives program.
Testing the effectiveness of an abbreviated version of the Nutrition Detectives program.
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DOI：
10.5888/pcd11.130161
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发表时间：
2014-04-10
影响因子：
5.5
通讯作者：
Njike V
中科院分区：
文献类型：
--
作者：
Katz DL;Treu JA;Ayettey RG;Kavak Y;Katz CS;Njike V
肥胖或超重的儿童患慢性病的风险增加。针对学校的饮食和锻炼可以帮助预防儿童肥胖症。我们之前已经展示了90分钟营养计划在提高小学生的食品标签识别率方面的有效性。这项研究的目的是调查45分钟版本的程序的有效性。我们在一个公立学区进行了一项岗前研究，没有设对照组。我们提供教师培训和课程材料。参与者是5所学校的五年级学生，他们得到了父母的同意，并愿意参加。我们将课程浓缩为一节45分钟的课，并进行了演示和实践活动。这节课向学生展示了为什么以及如何根据营养事实、面板和配料表做出健康的食物选择。该地区的体育老师讲授了这一课。主要的结果衡量标准是食品标签素养(即，使用经过验证的带有营养事实面板和配料表的测试工具区分健康食品和不健康食品的能力)。共有212名学生完成了岗前测量。在项目交付后，我们观察到学校的整体分数显著增加了16.2个百分点，从4.3个百分点到23.6个百分点不等。结果与90分钟的节目相似。浓缩营养计划提高了学生的食品标签读写能力，同时需要最少的时间分配。在其他学区继续深造将是有益的。
Obese or overweight children have an increased risk for chronic diseases. Targeting diet and exercise in schools could help prevent childhood obesity. We have previously shown the effectiveness of a 90-minute nutrition program in improving elementary school students’ food-label literacy. The objective of this study was to investigate the effectiveness of a 45-minute version of the program. We conducted a pre–post study in a public school district, with no control group. We provided teacher training and program materials. Participants were 5th-grade students in 5 schools who had parental consent and were willing to take part. We condensed the program to a 45-minute lesson with a presentation and hands-on activity. The lesson showed students why and how to make healthful food choices based on Nutrition Facts panels and ingredient lists. The district’s physical education teachers taught the lesson. The primary outcome measure was food-label literacy (ie, the ability to distinguish between more and less healthful foods using a validated test instrument with Nutrition Facts panels and ingredient lists). A total of 212 students completed pre–post measures. Following program delivery, we observed a significant gain of 16.2 percentage points in scores overall, ranging from 4.3 percentage points to 23.6 percentage points among schools. Results were similar to those achieved with the 90-minute program. The condensed nutrition program improved students’ food-label literacy while requiring a minimal allocation of time. Further studies in other school districts would be useful.
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