Accelerometer-measured sedentary time and cardiometabolic biomarkers: A systematic review

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Abstract

OBJECTIVE: We conducted a systematic review to investigate the cross-sectional and prospective associations of accelerometer-measured total sedentary time and breaks in sedentary time with individual cardiometabolic biomarkers in adults ≥18 years of age.

METHOD: Ovid Medline, Embase, Web of Science and the Cochrane Library were searched for studies meeting the inclusion criteria. Due to inconsistencies in the measurement and analysis of sedentary time, data was synthesised and presented narratively rather than as a meta-analysis.

RESULTS: Twenty-nine studies were included in the review; twenty-eight reported on total sedentary time and six on breaks in sedentary time. There was consistent evidence from cross-sectional data of an unfavourable association between total sedentary time and insulin sensitivity. There was also some evidence of unfavourable associations with fasting insulin, insulin resistance and triglycerides. Furthermore, there was some evidence from cross-sectional data of a favourable association between breaks in sedentary time and triglycerides.

CONCLUSION: Total sedentary time was consistently shown to be associated with poorer insulin sensitivity, even after adjusting for time spent in physical activity. This finding supports the proposed association between sedentary time and the development of Type 2 diabetes and reinforces the need to identify interventions to reduce time spent sedentary.

Original languageEnglish
Pages (from-to)92-102
Number of pages11
JournalPreventive Medicine
Volume76
Early online date23 Apr 2015
DOIs
Publication statusPublished - Jul 2015

Bibliographical note

Copyright © 2015. Published by Elsevier Inc.

Keywords

  • Systematic review
  • Accelerometer
  • Sedentary time
  • Breaks in sedentary time
  • Cardiometabolic risk factors

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