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Effect of severe versus moderate energy restriction on physical activity among postmenopausal female adults with obesity: a pre-specified secondary analysis of the TEMPO Diet randomized controlled Trial

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Jin, X, Gibson, AA, Salis, Z, Seimon, RV, Harper, C, Markovic, T, Byrne, NM ORCID: 0000-0001-5310-6640, Keating, SE, Stamatakis, E, Inan-Eroglu, E, da Luz, FQ, Ayre, J and Sainsbury, A 2022 , 'Effect of severe versus moderate energy restriction on physical activity among postmenopausal female adults with obesity: a pre-specified secondary analysis of the TEMPO Diet randomized controlled Trial' , The American Journal of Clinical Nutrition , doi: 10.1093/ajcn/nqac024.

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Abstract

BackgroundAn under-explored strategy for increasing physical activity is the dietary treatment of obesity, but empirical evidence is lacking.ObjectivesTo compare the effects of weight loss via severe versus moderate energy restriction on physical activity over 36 months.Methods101 postmenopausal female adults (45–65 years, 30–40 kg/m2, ResultsCompared to the moderate group, the severe group exhibited greater mean levels of: total volume of physical activity; duration of moderate-to-vigorous-intensity physical activity (MVPA); duration of light-intensity physical activity; and step counts, as well as lower mean duration of sedentary time. All these differences (except step counts) were apparent at 6 months (e.g., 1006 [95% confidence interval 564, 1449] MET-minutes per week for total volume of physical activity), and some were also apparent at 4 and/or 12 months. There were no differences between groups in the two other outcomes investigated (self-efficacy to regulate exercise; and proportion of participants meeting the World Health Organization's 2020 Physical Activity Guidelines for MVPA). When the analyses were adjusted for weight at each time point, the differences between groups were either attenuated or abolished.ConclusionsAmong female adults with obesity, including a dietary component to reduce excess body weight—notably one involving severe energy restriction—could potentially enhance the effectiveness of physical activity interventions.

Item Type: Article
Authors/Creators:Jin, X and Gibson, AA and Salis, Z and Seimon, RV and Harper, C and Markovic, T and Byrne, NM and Keating, SE and Stamatakis, E and Inan-Eroglu, E and da Luz, FQ and Ayre, J and Sainsbury, A
Keywords: obesity, physical activity, dietary weight loss, randomized trial
Journal or Publication Title: The American Journal of Clinical Nutrition
Publisher: Oxford University Press
ISSN: 0002-9165
DOI / ID Number: 10.1093/ajcn/nqac024
Copyright Information:

© The Author(s) 2022. Published by Oxford University Press on behalf of the American Society for Nutrition. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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