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Likelihood

Probability.

LOAEL

Lowest-observed-adverse-effect level; lowest intake (or experimental dose) of a nutrient at which an adverse effect has been identified.

Mean intake

Average intake of a particular nutrient or food for a group or population of individuals. Also average intake of a nutrient or food over two or more days for an individual.

Mean requirement

Average requirement of a particular nutrient for a group or population of individuals.

NOAEL

No-observed-adverse-effect level; the highest intake (or experimental dose) of a nutrient at which no adverse effects have been observed in the individuals studied.

Normal distribution

In the statistical sense, refers to a specific type of distribution of the values for a parameter within a group or population. The distribution is symmetrical and the mean ± 2 standard deviations will encompass the parameter for 95 percent of the individuals in the group.

Nutrient requirement

The lowest continuing intake level of a nutrient that will maintain a defined level of nutriture in a healthy individual; also called individual requirement.

Nutritional status

Condition of an individual or group resulting from nutrient intake and utilization of a nutrient at the tissue level.

Population

A large group; in this report, a large group of people.

Prevalence

The percentage of a defined population that is affected by a specific condition at the same time.



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