食品使用状況の均質度をあらわす一指標
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概要
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An index for evaluating acceptability of food article in a population has been not so much attempted. Therefor in order to establish an index for Food Acceptability, "Index for food Acceptability by Frequency" was proposed in termed of accounting number of food consumed in respective households. The computional formula for the index is defined as the following. Index for F.A.F. =100/N (N log<SUB>s</SUB>, N -Σ ni log<SUB>s</SUB> ni)where ni is frequency of the food article consumed in the target household (i) during the three-days, N are the total number of frequency of the article: N =Σni, and S are the number of all households. In the process of counting foods, food articles were grouped into 89 food items. This index will always take a value from 0 to 100. A value of F.A.F. =100 will occure when food article are consumed by all households in the same frequency. Hence a value of the index approach to 100 in proportion with increase of food acceptability in a population. If the article is consumed by only a household, a value of the index obtain zero. Since this index should indicate a standardized value for acceptability, the index should be able to compare with difference of acceptability of foods between regional groups. By the results applied to food consumption data which the subjects consist of 56 households in Gifu City, it was suggested that the index included information connected with both the number of consumed households and diversity of frequency in households.
- 日本民族衛生学会の論文
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