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Prolonged Sitting is Associated with Attenuated Heart Rate Variability during Sleep in Blue-Collar Workers

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  • David M Hallman

    (Centre for Musculoskeletal Research, Department of Occupational and Public Health Sciences, University of Gävle, SE 801-76 Gävle, Sweden)

  • Tatiana Sato

    (Physical Therapy Department, Federal University of São Carlos (UFSCar), São Paulo CEP 13565-905, Brazil)

  • Jesper Kristiansen

    (National Research Centre for the Working Environment, Copenhagen DK-2100, Denmark)

  • Nidhi Gupta

    (National Research Centre for the Working Environment, Copenhagen DK-2100, Denmark)

  • Jørgen Skotte

    (National Research Centre for the Working Environment, Copenhagen DK-2100, Denmark)

  • Andreas Holtermann

    (National Research Centre for the Working Environment, Copenhagen DK-2100, Denmark)

Abstract

Prolonged sitting is associated with increased risk for cardiovascular diseases and mortality. However, research into the physiological determinants underlying this relationship is still in its infancy. The aim of the study was to determine the extent to which occupational and leisure-time sitting are associated with nocturnal heart rate variability (HRV) in blue-collar workers. The study included 138 blue-collar workers (mean age 45.5 (SD 9.4) years). Sitting-time was measured objectively for four days using tri-axial accelerometers (Actigraph GT3X+) worn on the thigh and trunk. During the same period, a heart rate monitor (Actiheart) was used to sample R-R intervals from the electrocardiogram. Time and frequency domain indices of HRV were only derived during nighttime sleep, and used as markers of cardiac autonomic modulation. Regression analyses with multiple adjustments (age, gender, body mass index, smoking, job-seniority, physical work-load, influence at work, and moderate-to-vigorous physical activity) were used to investigate the association between sitting time and nocturnal HRV. We found that occupational sitting-time was negatively associated ( p < 0.05) with time and frequency domain HRV indices. Sitting-time explained up to 6% of the variance in HRV, independent of the covariates. Leisure-time sitting was not significantly associated with any HRV indices ( p > 0.05). In conclusion, objectively measured occupational sitting-time was associated with reduced nocturnal HRV in blue-collar workers. This indicates an attenuated cardiac autonomic regulation with increasing sitting-time at work regardless of moderate-to-vigorous physical activity. The implications of this association for cardiovascular disease risk warrant further investigation via long-term prospective studies and intervention studies.

Suggested Citation

  • David M Hallman & Tatiana Sato & Jesper Kristiansen & Nidhi Gupta & Jørgen Skotte & Andreas Holtermann, 2015. "Prolonged Sitting is Associated with Attenuated Heart Rate Variability during Sleep in Blue-Collar Workers," IJERPH, MDPI, vol. 12(11), pages 1-17, November.
  • Handle: RePEc:gam:jijerp:v:12:y:2015:i:11:p:14811-14827:d:59132
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    References listed on IDEAS

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    1. Nidhi Gupta & Caroline Stordal Christiansen & David M Hallman & Mette Korshøj & Isabella Gomes Carneiro & Andreas Holtermann, 2015. "Is Objectively Measured Sitting Time Associated with Low Back Pain? A Cross-Sectional Investigation in the NOMAD study," PLOS ONE, Public Library of Science, vol. 10(3), pages 1-18, March.
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    Cited by:

    1. David M. Hallman & Niklas Krause & Magnus Thorsten Jensen & Nidhi Gupta & Marie Birk Jørgensen & Andreas Holtermann, 2019. "Objectively Measured Sitting and Standing in Workers: Cross-Sectional Relationship with Autonomic Cardiac Modulation," IJERPH, MDPI, vol. 16(4), pages 1-16, February.
    2. Abdullah Bandar Alansare & Lauren C. Bates & Lee Stoner & Christopher E. Kline & Elizabeth Nagle & J. Richard Jennings & Erik D. Hanson & Mark A. Faghy & Bethany Barone Gibbs, 2021. "Associations of Sedentary Time with Heart Rate and Heart Rate Variability in Adults: A Systematic Review and Meta-Analysis of Observational Studies," IJERPH, MDPI, vol. 18(16), pages 1-17, August.
    3. Jiyoung Oh & Haengwoo Lee & Heykyung Park, 2021. "Effects on Heart Rate Variability of Stress Level Responses to the Properties of Indoor Environmental Colors: A Preliminary Study," IJERPH, MDPI, vol. 18(17), pages 1-20, August.
    4. Heidi K. Ortmeyer & Leslie I. Katzel, 2020. "Effects of Proximity between Companion Dogs and Their Caregivers on Heart Rate Variability Measures in Older Adults: A Pilot Study," IJERPH, MDPI, vol. 17(8), pages 1-12, April.
    5. Renan R. dos Santos & Erica C. Rosa & Thiago Rosa & Eduardo A. Ferreira & Eliana F. Gris & Rosângela V. de Andrade & Angélica A. Amato, 2019. "Sedentary Behavior: A Key Component in the Interaction between an Integrated Lifestyle Approach and Cardiac Autonomic Function in Active Young Men," IJERPH, MDPI, vol. 16(12), pages 1-13, June.
    6. Ke-Tsung Han & Po-Ching Wang, 2017. "Validity of Research-Grade Actigraphy Unit for Measuring Exercise Intensity," IJERPH, MDPI, vol. 14(5), pages 1-13, May.

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