• Nutrition · Dec 2023

    Adequacy of the "pocket formulas" for measuring total energy expenditure in healthy women compared with the new DRI equation: A doubly labeled water study.

    • MacenaMateus de LimaMLLaboratório de Nutrição e Metabolismo (LANUM), Faculdade de Nutrição (FANUT), Universidade Federal de Alagoas, Maceió, AL, Brazil; Postgraduate Program in Nutrition, Escola Paulista de Medicina, Universidade Federal de São Paulo, São, Micnéias Roberth Pereira, Guilherme César de Oliveira Carvalho, João Victor Laurindo Dos Santos, André Eduardo da Silva Júnior, PraxedesDafiny Rodrigues SilvaDRSLaboratório de Nutrição e Metabolismo (LANUM), Faculdade de Nutrição (FANUT), Universidade Federal de Alagoas, Maceió, AL, Brazil; Postgraduate Program in Nutrition, Escola Paulista de Medicina, Universidade Federal de São, Karina Pfrimer, Eduardo Ferriolli, Telma Maria de Menezes Toledo, and Nassib Bezerra Bueno.
    • Laboratório de Nutrição e Metabolismo (LANUM), Faculdade de Nutrição (FANUT), Universidade Federal de Alagoas, Maceió, AL, Brazil; Postgraduate Program in Nutrition, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil. Electronic address: m.l.macena@hotmail.com.
    • Nutrition. 2023 Dec 1; 116: 112183112183.

    Objectives"Pocket formulas" are practical alternatives for calculating an individual's total energy expenditure (TEE). Typically, more sophisticated predictive equations are used, such as the new equations proposed in the Dietary Reference Intakes (DRI). Nevertheless, these new equations necessitate estimating physical activity levels (PALs). The aim of this study was to compare the use of pocket formulas (kcal/kg of body weight) with the new predictive equations for energy expenditure proposed by the DRI (2023) in healthy women and with the doubly labeled water (DLW) method to predict TEE.MethodsThe TEEs of healthy adult women were measured by DLW and calculated using the pocket formulas (× 20, × 25, × 30, and × 35 kcal/kg of body weight) and the new DRI equation. PALs by triaxial accelerometers were also collected.ResultsThe study included 55 women. For the entire sample, the × 30 pocket formula had the lowest bias (-6%; limits of agreement [LOAs]: -39.8; 27.5; root mean square error: 373.4) and the highest precision (42%). The pocket formulas showed reasonable agreement in the different body mass index categories compared with the results found by the 2023 DRI proposal. For individuals with normal weight, the agreement was × 35 kcal/kg: bias (%) = -4.8; LoA = -41.5; 31.8, with overweight, it was × 30 kcal/kg: bias (%) = -2.2; LoA = -25.1; 20.6, and with obesity, it was × 30 kcal/kg: bias (%) = 4.2; LoA = -21.1; 29.4.ConclusionPocket formulas provide a reasonable agreement with TEE in healthy, sedentary, or low-active adult women, which may be a more simplistic strategy when there is no PAL data for calculating the DRI equations.Copyright © 2023 Elsevier Inc. All rights reserved.

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