Research on Food Intake Structure Based on Yearly Nutrition Survey for 12 Years.

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  • KANEKO Shun
    Department of Nutrition Educatin, Bunkyo University

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  • 長期経年栄養調査にもとづく食品摂取構造の分析
  • チョウキ ケイネン エイヨウ チョウサ ニ モトズク ショクヒン セッシュ コ

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Abstract

The purpose of this research is to identify the food intake structure in terms of breakfast, lunch and dinner. The research sample is a group of house-wives in a sub-urban rural area in the Chiba prefecture. The survey was conducted eleven times every year from 1978 to 1989 except 1988. Findings are followings. 1. Nutrition intake per person per day in these years shows similar trend with the National Nutrition Survey for every year. This sample is relevant to analyze as a sample of the Japanese population. 2. Although the total intake of the staple foods like rice, bread, noodle decreased in these 12 years, the intake of rice has been constant and showed major portion of the staples. The intake of bread is limited for breakfast. 3. In each year, the rice intake in a day is allocated about 30% for each meals and the rest for snacks between meals. 4n the other hand, bread and noodle shows too much variation from year to year to analyze as a single food item. 4. As the main sources of protein, the intake of fishes, meats and eggs have increased in the twelve years. While fishes and meats are mostly consumed at lunch and dinner, eggs are at breakfast. 5. Factor analysis for each meal was conducted using 13 food groups, in which rice, bread and noodle are collected into a item of grain. While the grain group does not show any significant role, the selection of protein sources is suggested as an important factor from the analysis. 6. This method based on each meal indicates a significant role for the further nutrition education at a community level.

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