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Sedentary time in relation to cardio-metabolic risk factors: differential associations for self-report vs accelerometry in working age adults

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Stamatakis, Emmanuel, Hamer, Mark, Tilling, Kate, Lawlor, Debbie A·2012·International Journal of Epidemiology

Abstract

BACKGROUND: Sedentary behaviour has been proposed to be detrimentally associated with cardio-metabolic risk independently of moderate to vigorous physical activity (MVPA). However, it is unclear how the choice of sedentary time (ST) indicator may influence such associations. The main objectives of this study were to examine the associations between ST and a set of cardio-metabolic risk factors [waist, body mass index (BMI), systolic and diastolic blood pressure, total and high-density lipoprotein cholesterol, glycated haemoglobin] and whether these associations differ depending upon whether ST is assessed by self-report or objectively by accelerometry. METHODS: Multiple linear regression was used to examine the above objectives in a cross-sectional study of 5948 adults (2669 men) aged 16-65 years with self-reported measures of television time, other recreational sitting and occupational sitting or standing. In all, 1150 (521 men) participants had objective (accelerometry) data on ST as well. RESULTS: Total self-reported ST showed multivariable-adjusted (including for MVPA) associations with BMI [(unstandardized beta coefficients corresponding to the mean difference per 10 min/day greater ST: 0.035 kg/m(2); 95% CI: 0.027-0.044), waist circumference (0.083 cm; 0.062-0.105), systolic (0.024 mmHg; 0.000-0.049) and diastolic blood pressure (0.023 mmHg; 0.006-0.040) and total cholesterol (0.004 mmol/l; 0.001-0.006)]. Similar associations were observed for TV time, whereas non-TV self-reported ST showed consistent associations with the two adiposity proxies (BMI/waist circumference) and total cholesterol. Accelerometry-assessed ST was only associated with total cholesterol (0.010 mmol/l; 0.001-0.018). CONCLUSIONS: In this study, ST was associated consistently with cardio-metabolic risk only when it was measured by self-report.

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  • TV viewing is associated with other unhealthy habits such as consumption of unhealthy food and drinks or the influence of advertising to encourage these behaviors, and may be a confounding factor with negative health effects of sitting.

    “TV viewing is also associated with other unhealthy habits such as consumption of unhealthy food and drinks or the influence of adverting to encourage these behaviors, therefore may also be a confounding factor with negative health effects of sitting [36].”
  • In a nationally representative sample of adults from the Health Survey for England, cross-sectional analyses showed consistent deleterious associations of self-reported sitting time with a panel of cardio-metabolic risk factors; however, when accelerometer measures of sedentary behaviour were analysed, little relation was observed.

    “in a nationally representative sample of adults from the Health Survey for England, cross-sectional analyses showed consistent deleterious associations of self-reported sitting time with a panel of cardio-metabolic risk factors; however, when accelerometer measures of sedentary behaviour were analysed, little relation was observed.[23]”

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  1. Stamatakis E, Hamer M, Dunstan DW. Television and other screen-based entertainment time and cardiovascu- lar events: population-based study with ongoing mortal- ity and hospital events follow up. J Am Coll Cardiol 2011; 57:292-99.

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Authors
Stamatakis, E., Hamer, M., Tilling, K., & Lawlor, D. A.
Affiliations
  • University College London (GB)
  • University of Bristol (GB)
Corresponding author
Stamatakis, Emmanuel
Venue
International Journal of Epidemiology
Published
2012-05-25
Volume
41
Issue
5
Pages
1328-1337
ISSN
  • 0300-5771 (ISSN-L)
  • 1464-3685
OpenAlex
W2123802386
Cited by
128
References
39
Citations by year
2025: 2 · 2024: 3 · 2023: 6 · 2022: 3 · 2021: 12 · 2020: 9 · 2019: 8 · 2018: 8 · 2017: 16 · 2016: 13 · 2015: 18 · 2014: 16 · 2013: 11 · 2012: 3
FWCI
10.25
Type
journal article
Language
en
Open access
Locations
  • International Journal of Epidemiology (publishedVersion)
  • PubMed (publishedVersion)
  • Loughborough University Institutional Repository (Loughborough University) (submittedVersion, cc-by-nc-nd)
  • UCL Discovery (University College London) (submittedVersion)
  • Loughborough University Research Repository (Loughborough University) (submittedVersion, cc-by-nc-nd)
  • HighWire Press Open Archive (submittedVersion)
  • Explore Bristol Research (submittedVersion)
Funders
  • National Institute for Health and Care Research (CDF-2010-03-30)
  • British Heart Foundation
Topics
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
  • Health Sciences › Medicine › Pharmacology › Coffee research and impacts
Keywords
sedentary behavior, cardiometabolic risk factors, measurement validity, television viewing time, occupational sitting, body mass index, waist circumference, blood pressure, total cholesterol, HDL cholesterol, HbA1c, working-age adults
MeSH terms
Adolescent, Adult, Aged, Alcohol Drinking, Blood Pressure, Body Weights and Measures, Cardiovascular Diseases, Cross-Sectional Studies, Female, United Kingdom, Glycated Hemoglobin, Humans, Lipids, Male, Middle Aged, Risk Factors, Smoking, Time Factors, Young Adult, Sedentary Behavior, Self Report, Accelerometry

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