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## Dietary Reference Intakes: Applications in Dietary Assessment (2000) Institute of Medicine (IOM)

### Citation Manager

. "4 Using the Estimated Average Requirement for Nutrient Assessment of Groups." Dietary Reference Intakes: Applications in Dietary Assessment. Washington, DC: The National Academies Press, 2000.

 Page 85

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DRI DIETARY REFERENCE INTAKES: Applications in Dietary Assessment

FIGURE 4-8 Joint distribution of intakes and requirements from a hypothetical population of 3,000 individuals. Intakes are independent of requirements. The mean intake is 1,600 units and the median requirement (Estimated Average Requirement [EAR]) is 1,200 units. The triangle labeled A is bounded by the intake = EAR line and the 45° line where intake = requirement. Points above the 45° line (shaded area), represent those individuals whose intakes are above the EAR, but below their own individual requirement. Individuals in triangle B have intakes below the EAR, yet above their own requirement. The number of people in triangle A is approximately equal to the number in triangle B.

on both their usual intake and their requirement and such information is rarely available. A similar number of individuals are represented by points in triangle A and in triangle B, and therefore the number above the 45° line (where intake = requirement) can be approximated by counting the number to the left of the intake = EAR line. Essentially, the EAR cut-point method substitutes the individuals in B for the individuals in A. It is easier to count the number of individuals to the left of the intake = EAR line than those above the 45° line because this only requires information on each individual's intake. Therefore, to use this method, the only information required is each individual's usual intake of the nutrient and the EAR of the group; individual requirements are not needed.

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 Front Matter (R1-R14) Contents (R15-R18) Summary (1-18) I. Historical Perspective and Background (19-20) 1 Introduction and Background (21-28) 2 Current Uses of Dietary Reference Standards (29-42) II. Application of DRIs for Individual Diet Assessment (43-44) 3 Using Dietary Reference Intakes for Nutrient Assessment of Individuals (45-70) III. Application of DRIs for Group Diet Assessment (71-72) 4 Using the Estimated Average Requirement for Nutrient Assessment of Groups (73-105) 5 Using the Adequate Intake for Nutrient Assessment of Groups (106-112) 6 Using the Tolerable Upper Intake Level for Nutrient Assessment of Groups (113-126) 7 Specific Applications: Assessing Nutrient Intakes of Groups Using the Dietary Reference Intakes (127-144) IV. Fine-Tuning Dietary Assessment Using the DRIs (145-146) 8 Minimizing Potential Errors in Assessing Group and Individual Intakes (147-161) 9 Research Recommended to Improve the Uses of Dietary Reference Intakes (162-167) 10 References (168-178) Appendix A: Origin and Framework of the Development of Dietary Reference Intakes (179-184) Appendix B: Nutrient Assessment of Individuals: Statistical Foundations (185-202) Appendix C: Assessing Prevalence of Inadequate Intakes for Groups: Statistical Foundations (203-210) Appendix D: Assessing the Performance of the EAR Cut-Point Method for Estimating Prevalence (211-231) Appendix E: Units of Observation: Assessing Nutrient Adequacy Using Household and Population Data (232-238) Appendix F: Rationale for Setting Adequate Intakes (239-253) Appendix G: Glossary and Abbreviations (254-261) Appendix H: Biographical Sketches of Subcommittee Members (262-266) Index (267-281) Summary Table: Estimated Average Requirements (282-283) Summary Table: Tolerable Upper Intake Levels (284-286) Summary Table: Recommended Intakes for Individuals (287-289)