Effect of Using the Food Quotient as a Proxy of the Respiratory Quotient in the Calculation of Energy Expenditure by the Doubly Labeled Water Method in Older Adults

Self-reported dietary intake data may provide a more context-specific estimate of the FQ than relying solely on RQ from indirect calorimetry or the fixed RQ of 0.85 in DLW-based TEE calculations. Although the resulting differences in TEE are modest, they can lead to overestimation of energy requirements over time.

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Publication Details

Journal
American Journal of Human Biology
Published
2026-02-25
DOI
https://doi.org/10.1002/ajhb.70222
Primary Topic
Clinical Nutrition and Gastroenterology
Type
article
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article

Effect of Using the Food Quotient as a Proxy of the Respiratory Quotient in the Calculation of Energy Expenditure by the Doubly Labeled Water Method in Older Adults

Karina Pfrimer, Michele Novaes Ravelli, Luiz antonio dos Anjos, Eduardo Ferriolli et al.
American Journal of Human Biology
Clinical Nutrition and Gastroenterology
article

Effect of Using the Food Quotient as a Proxy of the Respiratory Quotient in the Calculation of Energy Expenditure by the Doubly Labeled Water Method in Older Adults

Karina Pfrimer, Michele Novaes Ravelli, Luiz antonio dos Anjos, Eduardo Ferriolli, Dennis Gustavo Alves de Mello
article en

Abstract

Self-reported dietary intake data may provide a more context-specific estimate of the FQ than relying solely on RQ from indirect calorimetry or the fixed RQ of 0.85 in DLW-based TEE calculations. Although the resulting differences in TEE are modest, they can lead to overestimation of energy requirements over time.

American Journal of Human BiologyVol. 38(3)
Universidade de Ribeirão Preto (BR), University of Wisconsin–Madison (US), Universidade Federal Fluminense (BR), Universidade de São Paulo (BR), Universidade do Estado do Rio de Janeiro (BR), Clinics Hospital of Ribeirão Preto (BR)
Affordable and clean energy
Openalex Percentile: Top 39%
Clinical Nutrition and Gastroenterology
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