わが国の食物摂取における地域差と世帯特性差に関する研究

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The authors have reported in former studies that there were significant differences among regions in Japan regarding to amount of food consumed. In the next step they must have attention to situation of each regional block whose sampled households are not same as to residential location, i.e. urban and rural, occupation and economic status in terms of monthly expenditure for food. These attributes of household are important factors because they could have power over dietary behaviors of consumers, so that it is necessary to make clear how do they differ amounts of food-intake. For this purpose the authors estimated these influences in data of National Nutrition Survey Japan 1971. The results are following: 1) Amounts of consumed rice, wheat, fruit, vegetable which excludes green and yellow vegetable, meat and milk & its products differ significantly among the household types while there is little difference in the case of potato and seaweed. 2) The households from urban in residential location, salaried workers in occupation and higher class in the levels of monthly expenditure for food, consume larger amount of wheat, fruit, meat and milk & its products, which are categorized as “modern food” by the authors than households from rural, farmer and lower class. And the former groups of household consume less amount of rice which is categorized typically as “traditional food” than the later. Bean and fish which are also traditional foods, are same to the case of rice. 3) The differences among attributes of household in the nation-wide, exist almost samely in regional blocks, respectively. 4) Since a pattern of regional differences, in addition, are also found throughout in all categories of household, the authors suppose that there are real regional differences of food consumption, even if components of household sampled in each region are not same.

わが国の食物摂取における地域差と世帯特性差に関する研究

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