Dietary Modernization and the Individual Variation in Aden of Kikaijima Island, Southern Japan

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  • KONDO Yasuyuki
    Department of Human Ecology, School of Health Sciences, Faculty of Medicine, University of Tokyo
  • OHTSUKA Ryutaro
    Department of Human Ecology, School of Health Sciences, Faculty of Medicine, University of Tokyo

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  • 喜界島阿伝における食生活の変化と個人差
  • キカイガシマ アデン ニ オケル ショクセイカツ ノ ヘンカ ト コジンサ

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Abstract

Comparing data of our fieldwork in 1977 with those in 1956 (Imai, 1959), the change of dietary pattern in Aden community (28°20′N, 129°60′E) is represented by accepting in part bread and milk' instead of 'rice and miso (made of soybean) soup'in the menu, increasing such protein-rich foods as meats, fish and milk, and dwindling the intake of sweet potato. This appears to coincide with the decline of self-sufficient products in their diet, which has been caused by the change of farming system towards the monoculture of sugarcane as a commercial crop. The nutritive intake has altered as well, defficient calcium and vitamin B2 being relieved, while vitamin A lowering.<br>An emphasis is put on the food intake of the individuals and that of the households differing each other. The principal factor analysis (one of multidimensional analyses) on the quantities of food groups categorized into 15 educed factors, the first and second of which are recognized as a 'rare to frequent in menu' factor and a 'traditional to modern' factor respectively. The findings inlcude that the 'modern' pattern is favored by the younger individuals and by the households with the younger, and that the varied menu is more intensified by housewives than heads, and by households with a higher income than those with a lower.

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