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2023: Two-year Impact Factor: 2.4
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CiteScore (2023):7.1
 
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Health Promot Perspect. 2024;14(2): 185-192.
doi: 10.34172/hpp.42570
PMID: 39291048
PMCID: PMC11403341
  Abstract View: 148
  PDF Download: 112

Original Article

Development of a new equation and validation of earlier resting energy expenditure predicting equations in adults living in Tehran

Yahya Jalilpiran 1,2 ORCID logo, Neda Azizi 2, Kimia Alipoor 3, Sanaz Mehranfar 2, Mojdeh Ebaditabar 2, Sakineh Shab-Bidar 2, Alireza Ostadrahimi 4, Kurosh Djafarian 1* ORCID logo

1 Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
2 Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
3 Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
4 Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
*Corresponding Author: Kurosh Djafarian, Email: kdjafarian@tums.ac.ir

Abstract

Background: Predictive equations have been considered as a practical approach for estimating resting energy expenditure (REE) across multiple populations, but their accuracy for each community remains to be determined. Thus, the purposes of this study were to determine the validity of REE predictive equations and to develop a new REE predictive equation in adults living in Tehran.

Methods: The study included 284 subjects (158 females) aged 18-60 years old from two cross-sectional studies conducted in Tehrani populations. Anthropometric measurements were assessed using standard protocols. REE was measured using indirect calorimetry (IC) and was estimated using preexisting equations. A new equation was also developed based on the REE from IC and variables such as age, sex, height, and weight. Measured REE was compared to new equation and preexisting predictive equations via correlation, linear regression, and Bland-Altman tests.

Results: The new equation and the equations by Mifflin—St. Jeor, Livingston, Frankenfield, Nichols, Müller, and Ganpule demonstrated the best predictive value at a group level (mean percentage error=-2.2 to 2.4 %). At an individual level, the new equation and the equations by Mara, Frankenfield, Roza, Nikooyeh, and Harris & Benedict showed the greatest accuracies compared to measured REE (accuracy prediction=50-53%).

Conclusion: This study highlights the importance of considering race when predicting REE. It also demonstrates that the newly developed equation is more appropriate in a clinical setting at group but not individual level. Thus, further research is needed to examine the new equation in an independent sample.

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Submitted: 02 Oct 2023
Accepted: 26 Dec 2023
ePublished: 29 Jul 2024
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