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Record W2950388712 · doi:10.1201/9781315201108-6

The Concept of Nutritional Status and Its Measurement

2019· book-chapter· en· W2950388712 on OpenAlexaboutno aff
Johanna Dwyer, Regan L Bailey

Bibliographic record

VenueLifestyle Medicine · 2019
Typebook-chapter
Languageen
FieldMedicine
TopicNutritional Studies and Diet
Canadian institutionsnot available
Fundersnot available
KeywordsAnthropometryEnvironmental healthMedicineFood groupGerontologyInternal medicine

Abstract

fetched live from OpenAlex

Nutritional status assessment involves a combination of dietary intake, biochemical and anthropometric measurements, clinical observations, functional status, and if available, genetics. Nutritional status is an inclusive term, and its assessment usually includes anthropometric, biochemical, clinical, and dietary measures as well as food-related quality of life. This chapter provides a background on the concept of nutritional status, an overview of the methods for evaluating it, and the various tools that are available to make inferences about nutritional status from dietary intakes and other data. It focuses on the dimensions of diet and nutritional status. The chapter discusses the nutrient standards for dietary intakes in the United States and Canada, known as the Dietary Reference Intakes. It describes the most well-known guide for healthy eating in the United States, the Dietary Guidelines 2015–2020 and summarizes the nutrition information on food labels. The chapter concludes with some comments on healthy dietary patterns and personalized nutrition.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.002
metaresearch head score (Gemma)0.003
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: Theoretical or conceptual
GenreCandidate signal: Review · Consensus signal: none
Teacher disagreement score0.013
Threshold uncertainty score0.043

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0020.003
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0020.002
Science and technology studies0.0010.004
Scholarly communication0.0040.005
Open science0.0010.002
Research integrity0.0020.004
Insufficient payload (model declined to judge)0.0130.006

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.038
GPT teacher head0.268
Teacher spread0.230 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designTheoretical or conceptual
Domainnot available
GenreReview

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations4
Published2019
Admission routes1
Has abstractyes

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