Short-term intermittent energy restriction interventions for weight management: a systematic review and meta-analysis

Harris, L., McGarty, A. , Hutchison, L., Ellis, L. and Hankey, C. (2018) Short-term intermittent energy restriction interventions for weight management: a systematic review and meta-analysis. Obesity Reviews, 19(1), pp. 1-13. (doi:10.1111/obr.12593) (PMID:28975722)

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Abstract

This systematic review synthesized the available evidence on the effect of short-term periods of intermittent energy restriction (weekly intermittent energy restriction; ≥7-d energy restriction) in comparison with usual care (daily continuous energy restriction), in the treatment of overweight and obesity in adults. Six electronic databases were searched from inception to October 2016. Only randomized controlled trials of interventions (≥12 weeks) in adults with overweight and obesity were included. Five studies were included in this review. Weekly intermittent energy restriction periods ranged from an energy intake between 1757 and 6276 kJ/d−1. The mean duration of the interventions was 26 (range 14 to 48) weeks. Meta-analysis demonstrated no significant difference in weight loss between weekly intermittent energy restriction and continuous energy restriction post-intervention (weighted mean difference: −1.36 [−3.23, 0.51], p = 0.15) and at follow-up (weighted mean difference: −0.82 [−3.76, 2.11], p = 0.58). Both interventions achieved comparable weight loss of >5 kg and therefore were associated with clinical benefits to health. The findings support the use of weekly intermittent energy restriction as an alternative option for the treatment of obesity. Currently, there is insufficient evidence to support the long-term sustainable effects of weekly intermittent energy restriction on weight management.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Harris, Dr Leanne and Hankey, Dr Catherine and Mcgarty, Dr Arlene and Hutchison, Miss Lisa
Authors: Harris, L., McGarty, A., Hutchison, L., Ellis, L., and Hankey, C.
College/School:College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing > Mental Health and Wellbeing
College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing
Journal Name:Obesity Reviews
Publisher:Wiley
ISSN:1467-7881
ISSN (Online):1467-789X
Published Online:04 October 2017
Copyright Holders:Copyright © 2017 The Authors
First Published:First published in Obesity Reviews 19(1):1-13
Publisher Policy:Reproduced under a Creative Commons License

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