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Dietary Reference Intakes Applications in Dietary Assessment (2000) / Chapter Skim
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9 Research Recommended to Improve the Uses of Dietary Reference Intakes
Pages 162-167

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From page 162...
... Estimated EARs and Recommended Dietary Allowances (RDAs) are often based on just a few experiments or studies with very small sample sizes, and therefore considerable uncertainty exists about the true median and standard deviation of the distribution of requirements within a group.
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From page 163...
... More information is neecleci on ways to identify and conceptualize the risk of exceecling the UL. Research on the factors that can alter requirements or upper limits is also neecleci to enable more accurate applications of the Dietary Reference Intakes (DRIB)
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From page 164...
... Perhaps one of the most important advances to improve application of human nutrient requirement estimates has been the further development and refinement of statistical procedures to recluce if not eliminate the distorting effect of random error in clietary ciata. What has become apparent in clearing with the random error is that the remaining issue of paramount importance in clietary ciata collection and analysis is the presence and true extent of bias (such as uncler- or over-reporting of food intake)
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From page 165...
... Several methodological issues deserve attention from the scientific community. Methods for developing standard deviations for prevalence estimates (sometimes referred to as the standard error of the estimate)
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From page 166...
... In particular, evaluations of nutrition assistance programs typically compare nutrient intakes for program participants and a similar group of nonparticipants. A difficult and not fully explored research question is how to estimate differences in the prevalence of inadequacy between subgroups, after controlling for other factors that also affect nutrient intake.
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From page 167...
... Many of the statistical approaches suggested in this report for adjusting intake distributions and estimating the prevalence of inacloquacy for groups can only be implemented with the aici of computer software. Although initial efforts have been macle to develop these types of programs, a wider variety of software that can assist users of the Dietary Reference Intakes (DRIB)
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Key Terms

  • dietary reference
  • reference intakes
  • usual intake
  • dietary assessment
  • average requirement

  • upper intake
  • statistical approaches
  • dietary intake
  • prevalence estimate
  • estimated average

  • tolerable upper
  • random error
  • improve statistical
  • daily intakes
  • assess intakes

  • supplement intake
  • intake level
  • prevalence estimates
  • nutrition examination
  • food intake

  • adequate intake
  • intake distributions
  • allow development
  • requirement estimates
  • sometimes referred

  • distorting effect
  • developing standard
  • regression analysis
  • quantifying supplement
  • determining statistical


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