Skip to main content

Dietary Reference Intakes for Energy (2023) / Chapter Skim
Currently Skimming:

3 Methodological Approach to Gathering Evidence
Pages 37-42

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 37...
... In the absence of a de novo systematic review relevant to the study task, the committee identified topics considered to be of highest priority and carried out the umbrella review supplemented with search terms to identify publications of randomized controlled trials and prospective longitudinal trials from the peer-reviewed published literature. This evidence-gathering approach differs from the approaches used for the two previous DRI updates (i.e., vitamin D and calcium; sodium and potassium)
Read the entire page →
From page 38...
... APPROACH AND PROCESS FOR GATHERING RELEVANT LITERATURE To identify the systematic reviews to include in its umbrella review, the committee developed a list of key topics and questions (Table 3-1) relevant to its statement of task and determined which topics required searches for existing systematic reviews.
Read the entire page →
From page 39...
... For some key questions, no relevant systematic reviews were found. In these cases, additional informal literature searches of the primary peerreviewed literature were conducted.
Read the entire page →
From page 40...
... What equations are available for computing basal energy expenditure? a During the data extraction stage, 2 articles (systematic reviews)
Read the entire page →
From page 41...
... METHODOLOGICAL APPROACH TO GATHERING EVIDENCE 41 Records identified Titles and Full-text Articles Articles in database abstracts articles included for included in searches screened screened data extraction final set 26 26 8 6 3 60 60 8 5 1 28 22 9 13a 9 80 82b 17 6 2 317 321c 90 9 8 771 485 49 5 3 201 174 47 11 9 2,563 2,102 207 45d 36 38 32 8 8 7 1,635 1,328 47 14 13 465 465 109e 81 79 477 344 24 22 3 86 73 15 7 6 71 46 7 8f 6 50 41 7g 7 7
Read the entire page →
From page 42...
... . These included study design, setting, participant age, biological sex, life-stage group, physiological state, intervention or exposure, methods used to determine nutrient intake levels and outcome measures, sample size, attrition, and a description of the statistical analysis.
Read the entire page →

Key Terms

  • energy expenditure
  • existing systematic
  • data extraction
  • dietary reference
  • reference intakes

  • systematic review
  • methodological approach
  • additional articles
  • key questions
  • physical activity

  • labeled water
  • doubly labeled
  • literature review
  • literature search
  • committee developed

  • committee identified
  • studies identified
  • search terms
  • search results
  • umbrella review

  • relevant systematic
  • additional systematic
  • included study
  • gathering relevant
  • total energy

  • lactating women
  • minor adaptations
  • included articles
  • study task
  • energy agency


    • This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
    More information on Chapter Skim is available.