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expected value equal to a population parameter being estimated.

Chronic exposure

Exposure to a chemical compound such as a nutrient for a long period of time, perhaps as long as every day for the lifetime of an individual.

Cluster analysis

A general approach to multivariate problems, the aim of which is to determine whether individuals fall into groups or clusters.


The exact point when something stops or changes. The EAR is used as a cut-point in the EAR cut-point method of assessing the prevalence of inadequacy for a group.


An abnormal physiological condition resulting from inadequate intake of a nutrient or multiple nutrients.

Dietary reference standards

Nutrient intake values established as goals for individuals or groups for good nutrition and health.

Dietary status

The condition of an individual or group as a result of food and nutrient intake. Dietary status also refers to the sum of dietary intake measurements for an individual or a group.

Disappearance data

Data that refer to food and nutrients that disappear from the marketplace. The term refers to food and nutrient availability for a population that is calculated from national or regional statistics by the inventory-style method. Usually taken into account are the sum of food remaining from the previous year, food imports, and agricultural production; from this sum is subtracted the sum of food remaining at the end of the year, food exports, food waste, and food used for non-food purposes. Disappearance data do not always take account of food that does not

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