Cited by 627Physical Activity and HealthDiabetes, Cardiovascular Risks, and LipoproteinsDiabetes Management and Research

The DOI matches its Crossref record; 28 of the 28 references it cites were found in a registry or an index.

Objectively Measured Light-Intensity Physical Activity Is Independently Associated With 2-h Plasma Glucose

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Abstract

OBJECTIVE—We examined the associations of objectively measured sedentary time, light-intensity physical activity, and moderate- to vigorous-intensity activity with fasting and 2-h postchallenge plasma glucose in Australian adults. RESEARCH DESIGN AND METHODS—A total of 67 men and 106 women (mean age ± SD 53.3 ± 11.9 years) without diagnosed diabetes were recruited from the 2004–2005 Australian Diabetes, Obesity, and Lifestyle (AusDiab) study. Physical activity was measured by Actigraph accelerometers worn during waking hours for 7 consecutive days and summarized as sedentary time (accelerometer counts/min <100; average hours/day), light-intensity (counts/min 100-1951), and moderate- to vigorous-intensity (counts/min ≥1,952). An oral glucose tolerance test was used to ascertain 2-h plasma glucose and fasting plasma glucose. RESULTS—After adjustment for confounders (including waist circumference), sedentary time was positively associated with 2-h plasma glucose (b = 0.29, 95% CI 0.11–0.48, P = 0.002); light-intensity activity time (b = −0.25, −0.45 to −0.06, P = 0.012) and moderate- to vigorous-intensity activity time (b = −1.07, −1.77 to −0.37, P = 0.003) were negatively associated. Light-intensity activity remained significantly associated with 2-h plasma glucose following further adjustment for moderate- to vigorous-intensity activity (b = −0.22, −0.42 to −0.03, P = 0.023). Associations of all activity measures with fasting plasma glucose were nonsignificant (P > 0.05). CONCLUSIONS—These data provide the first objective evidence that light-intensity physical activity is beneficially associated with blood glucose and that sedentary time is unfavorably associated with blood glucose. These objective data support previous findings from studies using self-report measures, and suggest that substituting light-intensity activity for television viewing or other sedentary time may be a practical and achievable preventive strategy to reduce the risk of type 2 diabetes and cardiovascular disease.

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Metadata

Authors
Healy, G. N., Dunstan, D. W., Salmon, J., Cerin, E., Shaw, J. E., Zimmet, P. Z., & Owen, N.
Affiliations
  • The University of Queensland (AU)
  • International Diabetes Institute, Melbourne, Australia
  • Deakin University (AU)
  • University of Hong Kong (HK)
Venue
Diabetes Care
Published
2007-06-01
Volume
30
Issue
6
Pages
1384-1389
ISSN
  • 0149-5992 (ISSN-L)
  • 1935-5548
OpenAlex
W2136548931
Cited by
627
References
28
Citations by year
2026: 3 · 2025: 5 · 2024: 7 · 2023: 16 · 2022: 10 · 2021: 32 · 2020: 19 · 2019: 33 · 2018: 34 · 2017: 41 · 2016: 41 · 2015: 62 · 2014: 66 · 2013: 58 · 2012: 68
FWCI
16.25
Type
journal article
Language
en
Open access
Locations
  • Diabetes Care (publishedVersion)
  • PubMed (publishedVersion)
  • Deakin Research Online (Deakin University) (submittedVersion)
  • The HKU Scholars Hub (University of Hong Kong) (submittedVersion)
Funders
  • U.S. Department of Health and Human Services
  • Bristol-Myers Squibb
  • Eli Lilly and Company
  • Pfizer
  • AstraZeneca
  • GlaxoSmithKline
  • Sanofi
  • Queensland Health
  • Pratt Foundation
  • Australian Government
  • Diabetes Australia
  • Kidney Health Australia
  • Queensland Government
  • Novo Nordisk
  • NSW Ministry of Health
  • Menzies Institute for Medical Research
  • Merck Sharp and Dohme
  • Eli Lilly Australia
  • Medical Research Council
  • National Health and Medical Research Council (233200, 301200)
  • National Medical Research Council
  • Cilag
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Physical Activity and Health
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
Keywords
light physical activity, sedentary behavior, moderate-to-vigorous physical activity, 2-hour plasma glucose, fasting blood glucose, oral glucose tolerance, accelerometer-measured activity, type 2 diabetes risk, cardiovascular risk, television viewing
MeSH terms
Adult, Aged, Blood Glucose, Fasting, Female, Humans, Life Style, Male, Middle Aged, Obesity, Regression Analysis, Wakefulness, Exercise

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