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The effect of workplace smoking bans on heart rate variability and pulse wave velocity of non-smoking hospitality workers

Rajkumar, Sarah ; Schmidt-Trucksäss, Arno ; Wellenius, Gregory ; Bauer, Georg ; Huynh, Cong ; Moeller, Alexander ; Röösli, Martin

In: International Journal of Public Health, 2014, vol. 59, no. 4, p. 577-585

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    Titre
    • The effect of workplace smoking bans on heart rate variability and pulse wave velocity of non-smoking hospitality workers
    Auteur
    • Rajkumar, Sarah. Swiss Tropical and Public Health Institute, Socinstrasse 57, 4051, Basel, Switzerland
    • Schmidt-Trucksäss, Arno. Institute of Exercise and Health Sciences, Sports Medicine, University of Basel, Basel, Switzerland
    • Wellenius, Gregory. Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA
    • Bauer, Georg. Institute of Social and Preventive Medicine, University of Zürich and Center for Organizational and Occupational Sciences, ETH Zurich, Zurich, Switzerland
    • Huynh, Cong. Institute for Work and Health, Lausanne, Switzerland
    • Moeller, Alexander. Department of Respiratory Medicine, University Children's Hospital, Zurich, Switzerland
    • Röösli, Martin. Swiss Tropical and Public Health Institute, Socinstrasse 57, 4051, Basel, Switzerland
    Type de document
    • Postprint
    Langue
    • Anglais
    Publié dans
    • International Journal of Public Health, 2014, vol. 59, no. 4, p. 577-585. Springer Basel
    Autre version électronique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:324772
    Summary
    Objectives: To investigate the effect of a change in second-hand smoke (SHS) exposure on heart rate variability (HRV) and pulse wave velocity (PWV), this study utilized a quasi-experimental setting when a smoking ban was introduced. Methods: HRV, a quantitative marker of autonomic activity of the nervous system, and PWV, a marker of arterial stiffness, were measured in 55 non-smoking hospitality workers before and 3-12months after a smoking ban and compared to a control group that did not experience an exposure change. SHS exposure was determined with a nicotine-specific badge and expressed as inhaled cigarette equivalents per day (CE/d). Results: PWV and HRV parameters significantly changed in a dose-dependent manner in the intervention group as compared to the control group. A one CE/d decrease was associated with a 2.3% (95% CI 0.2-4.4; p=0.031) higher root mean square of successive differences (RMSSD), a 5.7% (95% CI 0.9-10.2; p=0.02) higher high-frequency component and a 0.72% (95% CI 0.40-1.05; p<0.001) lower PWV. Conclusions: PWV and HRV significantly improved after introducing smoke-free workplaces indicating a decreased cardiovascular risk.