Patterns of sedentary time and cardiometabolic risk among Canadian adults

Carson, Valerie, Wong, Suzy L., Winkler, Elizabeth, Healy, Genevieve N., Colley, Rachel C. and Tremblay, Mark S. (2014) Patterns of sedentary time and cardiometabolic risk among Canadian adults. Preventive Medicine, 65 23-27. doi:10.1016/j.ypmed.2014.04.005

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Author Carson, Valerie
Wong, Suzy L.
Winkler, Elizabeth
Healy, Genevieve N.
Colley, Rachel C.
Tremblay, Mark S.
Title Patterns of sedentary time and cardiometabolic risk among Canadian adults
Journal name Preventive Medicine   Check publisher's open access policy
ISSN 0091-7435
Publication date 2014-01-01
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.ypmed.2014.04.005
Open Access Status File (Author Post-print)
Volume 65
Start page 23
End page 27
Total pages 5
Place of publication Maryland Heights, MO United States
Publisher Academic Press Inc.
Language eng
Subject 2739 Public Health, Environmental and Occupational Health
2713 Epidemiology
Abstract Objective: The aim of this study is to examine the associations of total sedentary time and patterns of sedentary time with cardiometabolic biomarkers in a large representative sample of Canadian adults. Methods: The study is based on 4935 adults aged 20-79. years, from the 2007/09 and 2009/11 Canadian Health Measures Survey. Total sedentary time, patterns of sedentary time (≥. 20. minute prolonged sedentary bouts, number of sedentary breaks), and moderate- to vigorous-intensity physical activity (MVPA) were accelerometer-derived. Waist circumference, systolic and diastolic blood pressure, high-density lipoprotein (HDL) cholesterol, and C-reactive protein were measured. Triglycerides, low-density lipoprotein (LDL) cholesterol, insulin, and glucose were also measured in a fasting sub-sample (n= 2551). Results: Total sedentary time and time in ≥. 20. minute prolonged sedentary bouts were associated with higher insulin and lower diastolic blood pressure levels (P<. 0.05). On average, each additional 10 breaks/day was associated with 0.83 (95%CI: 1.35, 0.31) cm lower waist circumference, 0.32 (0.62, 0.02) mm. Hg lower systolic blood pressure, 0.01 (0.00, 0.02) mmol/l higher HDL-cholesterol, 3.72 (1.34, 6.13) % lower triglycerides, 0.57 (0.23, 0.92) % lower glucose, and 4.19 (1.80, 6.63) % lower insulin. Conclusion: These findings in a large representative sample of Canadian adults indicate that breaking up sedentary time may be particularly important for cardiometabolic health.
Keyword Adult
Cardiovascular diseases
Insulin resistance
Sedentary lifestyle
Q-Index Code C1
Q-Index Status Confirmed Code
Grant ID APP1000986
PH 12B 7054
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2015 Collection
School of Public Health Publications
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