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Effects of sedentary behaviour interventions on biomarkers of cardiometabolic risk in adults: systematic review with meta-analyses

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Hadgraft, NT, Winkler, E, Climie, RE, Grace, MS, Romero, L, Owen, N, Dunstan, D, Healy, G and Dempsey, PC 2021 , 'Effects of sedentary behaviour interventions on biomarkers of cardiometabolic risk in adults: systematic review with meta-analyses' , British Journal of Sports Medicine, vol. 55, no. 3 , 144–154 , doi: 10.1136/bjsports-2019-101154.

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Abstract

Context/purpose Observational and acute laboratory intervention research has shown that excessive sedentary time is associated adversely with cardiometabolic biomarkers. This systematic review with meta-analyses synthesises results from free living interventions targeting reductions in sedentary behaviour alone or combined with increases in physical activity.Methods Six electronic databases were searched up to August 2019 for sedentary behaviour interventions in adults lasting for ≥7 days publishing cardiometabolic biomarker outcomes covering body anthropometry, blood pressure, glucose and lipid metabolism, and inflammation (54 studies). The pooled effectiveness of intervention net of control on 15 biomarker outcomes was evaluated using random effects meta-analyses in the studies with control groups not providing other relevant interventions (33 studies; 6–25 interventions analysed).Results Interventions between 2 weeks and 0.05) were also small, and beneficial in direction except for fat-free mass (≈ 0.0 kg). Heterogeneity ranged widely (I2=0.0–72.9).Conclusions Our review of interventions targeting sedentary behaviour reductions alone, or combined with increases in physical activity, found evidence of effectiveness for improving some cardiometabolic risk biomarkers to a small degree. There was insufficient evidence to evaluate inflammation or vascular function. Key limitations to the underlying evidence base include a paucity of high-quality studies, interventions lasting for ≥12 months, sensitive biomarkers and clinical study populations (eg, type 2 diabetes).

Item Type: Article
Authors/Creators:Hadgraft, NT and Winkler, E and Climie, RE and Grace, MS and Romero, L and Owen, N and Dunstan, D and Healy, G and Dempsey, PC
Keywords: sedentary behavior, sitting
Journal or Publication Title: British Journal of Sports Medicine
Publisher: B M J Publishing Group
ISSN: 0306-3674
DOI / ID Number: 10.1136/bjsports-2019-101154
Copyright Information:

Copyright 2021 The AuthorsLicensed under Creative Commons Attribution 4.0 International (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/

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