Effects of the National School Lunch Program on Bone Growth in Japanese Elementary School Children

• KOHRI Toshiyuki

  Department of Food and Nutrition, Faculty of Agriculture, Kindai University

• KABA Naoko

  Department of Food and Nutrition, Faculty of Agriculture, Kindai University

• ITOH Tatsuki

  Department of Food and Nutrition, Faculty of Agriculture, Kindai University

• SASAKI Satoshi

  Department of Social and Preventive Epidemiology, School of Public Health, The University of Tokyo

抄録

The Japanese school lunch program with milk was designed to supply 33-50% of the necessary nutrients per day and 50% of the recommended dietary allowance for calcium, which is difficult to obtain from Japanese meals. Although this program contributes to the mental and physical development of children, the effect of these meals on the bone growth in children remains unknown. Therefore, we compared the effect of school lunch with milk on bone growth between elementary school children attending schools that did not enforce the school lunch with milk program (box-lunch group) and those attending schools that did enforce the program (school-lunch group). The study subjects included fourth-grade children during the 2009-2013 school years, of whom 329 children were in the school-lunch group and 484 children in the box-lunch group. The bone area ratio of the right calcaneus was evaluated using quantitative ultrasound (Benus III). Dietary intakes were assessed using brief self-administered diet history questionnaires. The subjects were asked to record their activities for 3 d so that the mean physical activity intensity and the time spent sleeping could be estimated. The bone area ratios (%) were significantly higher in the school-lunch group than in the box-lunch group (males 31.0±0.3 vs. 30.3±0.2; females 30.6±0.2 vs. 29.7±0.2). This tendency did not change even after adjustment for confounding factors associated with bone growth. The results suggest that nutrients supplied by the Japanese school lunch program contributed to increased bone growth in elementary school children.

収録刊行物

• Ｊｏｕｒｎａｌ　ｏｆ　Ｎｕｔｒｉｔｉｏｎａｌ　Ｓｃｉｅｎｃｅ　ａｎｄ　Ｖｉｔａｍｉｎｏｌｏｇｙ

  Ｊｏｕｒｎａｌ　ｏｆ　Ｎｕｔｒｉｔｉｏｎａｌ　Ｓｃｉｅｎｃｅ　ａｎｄ　Ｖｉｔａｍｉｎｏｌｏｇｙ 62 (5), 303-309, 2016

  一般財団法人 学会誌刊行センター

キーワード

• bone growth
• bone mineral density
• school children
• school lunch
• box lunch

詳細情報

• CRID: 1390282681303227392
• NII論文ID: 130005179296
• NII書誌ID: AA00703822
• DOI: 10.3177/jnsv.62.303
• ISSN: 18817742
• ISSN: 03014800
• NDL書誌ID: 027684693
• PubMed: 27928116
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I027684693
• Web Site: https://www.jstage.jst.go.jp/article/jnsv/62/5/62_303/_pdf
• Web Site: https://search.jamas.or.jp/link/ui/2017210395
• 本文言語コード: en
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • PubMed
  • CiNii Articles
  • KAKEN
• 抄録ライセンスフラグ: 使用不可