Japanese Journal of Health and Human Ecology
Online ISSN : 1882-868X
Print ISSN : 0368-9395
ISSN-L : 0368-9395
Exclusion of Polyvorousness Factor from the Food Consumption Structure
Junichi NAKAJIMAShuko YOSHIKAWA
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1983 Volume 49 Issue 2 Pages 59-66

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Abstract

In order to make clear the food consumption structuer of a population, it is necessary to examine food consumption after excluding effect of polyvorousness in terms of structural analysis. For this purpose, the authors try to divide food consumption into components for total amount of food intake and its residuals using principal component analysis for external criteria. Used variables are the amount of 16 food groups (g/day·capita) 123 housewives aged 30-59 surveyed at a mountain village in Gifu Prefecture. The results are as follows. 1) It is found that the component of external criteria mean polyvorousness (to eat a large amount of food), which is caused by the food pattern consuming much other foods than rice for the staple food in Japan and is attached importance in terms of the food ecology. Therefor the methodology analyzing problem of polyvorousness is better with the way than with standardization of food consumption by total energy. 2) The first component signifying different dietary habit between rice and bread is extracted from the residuals excluding effect of external criteria. The food pattern consuming much rice is performed by women of households.engaged in agriculture, forestry and wage labor. On the other hand, the food pattern consuming much bread is performed by women of households engaged in trade and salaried labor. 3) It is recognized that the second component is the food pattern handed down from old times at the mountain village. That mean increase in consumption of rice, fish and espacially potato, and is performed by housewives of farmer and aged household.

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