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Device-worn measures of sedentary time and physical activity in South Asian adults at high risk for type 2 diabetes in Metro-Vancouver, Canada

Author

Listed:
  • Bushra Mahmood
  • Lindsay Nettlefold
  • Maureen C Ashe
  • Joseph H Puyat
  • Tricia S Tang

Abstract

Background: South Asians have high incidence of chronic disease. Physical activity (PA) and sedentary time are modifiable risk factors for chronic disease but their assessment in South Asians has been primarily based on self-report. This study presents directly-measured PA and sedentary time in South Asian adults in Canada. Methods: A subset of 100 South Asian participants from a larger study who were identified at being at a higher risk for type 2 diabetes wore Actical accelerometers for 7 days. Anthropometric measures were taken and socio-demographic factors including age, income, education level, years since immigration, presence of children under the age of 12 years in the household and employment status were self-reported. Results: Ninety-one participants (mean age 65.6 years) provided valid accelerometer data. Participants accumulated mean 673.5 (95% CI: 656.6, 691.0) min/day sedentary time, 130.5 (95% CI: 117.3, 145.3) min/day light PA (LPA) and 2.3 (95% CI: 1.3, 4.2) min/day moderate-to-vigorous PA (MVPA). For sedentary time and LPA, sex and BMI explained 51% of variability. For MVPA, BMI, season of assessment and employment status explained 23% variability with those who were employed accumulating significantly higher mean min/day of MVPA compared to those who were unemployed; (5.8, 95% CI: 1.5, 21.7) vs (1.5, 95% CI: 5.3, 20.0) respectively. Conclusion: High sedentary time, and low MVPA indicates the need to focus health promotion efforts on shifting sedentary time into LPA while trying to increase MVPA. Future studies need to be based on larger, representative samples of South Asians.

Suggested Citation

  • Bushra Mahmood & Lindsay Nettlefold & Maureen C Ashe & Joseph H Puyat & Tricia S Tang, 2022. "Device-worn measures of sedentary time and physical activity in South Asian adults at high risk for type 2 diabetes in Metro-Vancouver, Canada," PLOS ONE, Public Library of Science, vol. 17(5), pages 1-22, May.
    • Handle: RePEc:plo:pone00:0266599
    DOI: 10.1371/journal.pone.0266599
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    References listed on IDEAS

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    1. Amir Emadian & Janice Thompson, 2017. "A Mixed-Methods Examination of Physical Activity and Sedentary Time in Overweight and Obese South Asian Men Living in the United Kingdom," IJERPH, MDPI, vol. 14(4), pages 1-17, March.
    2. Charlotte L Edwardson & Trish Gorely & Melanie J Davies & Laura J Gray & Kamlesh Khunti & Emma G Wilmot & Thomas Yates & Stuart J H Biddle, 2012. "Association of Sedentary Behaviour with Metabolic Syndrome: A Meta-Analysis," PLOS ONE, Public Library of Science, vol. 7(4), pages 1-5, April.
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