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Association of health behaviour with heart rate variability: a population-based study
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Epidemiology and Global Health. Institute of Medical Epidemiology, Biostatistics and Informatics, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany.ORCID iD: 0000-0002-9722-0370
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2010 (English)In: BMC Cardiovascular Disorders, ISSN 1471-2261, Vol. 10, 58- p.Article in journal (Refereed) Published
Abstract [en]

Background: Reduced heart rate variability (HRV), a non-invasive marker of autonomic dysfunction, and an unhealthy lifestyle are associated with an increased morbidity and mortality of cardiovascular diseases (CVD). The autonomic dysfunction is a potential mediator of the association of behavioural risk factors with adverse health outcomes. We studied the association of HRV with behavioural risk factors in an elderly population.

Methods: This analysis was based on the cross-sectional data of 1671 participants (age range, 45-83 years) of the prospective, population-based Cardiovascular Disease, Living and Ageing in Halle (CARLA) Study. Physical activity, smoking habits, alcohol consumption and dietary patterns were assessed in standardized interviews. Time and frequency domain measures of HRV were computed from 5-min segments of highly standardized 20-min electrocardiograms. Their association with behavioural risk factors was determined by linear and non-parametric regression modelling.

Results: There were only weak and inconsistent associations of higher physical activity, moderate consumption of alcohol, and non-smoking with higher time and frequency domain HRV in both sexes, and no association with dietary pattern. Results changed only marginally by excluding subjects with CVD, diabetes mellitus and use of cardioactive medication.

Conclusion: We hypothesized that HRV is associated with behavioural factors and therefore might be a mediator of the effect of behavioural risk factors on CVD, but this hypothesis was not confirmed by our results. These findings support the interpretation that there may be no true causal association of behavioural factors with HRV.

Place, publisher, year, edition, pages
BioMed Central, 2010. Vol. 10, 58- p.
National Category
Public Health, Global Health, Social Medicine and Epidemiology
URN: urn:nbn:se:umu:diva-39859DOI: 10.1186/1471-2261-10-58ISI: 000285509400001PubMedID: 21108803OAI: diva2:396631

This study was funded by a grant from the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) as part of the Collaborative Research Center 598 “Heart failure in the elderly - cellularmechanisms and therapy” at the Medical Faculty of the Martin-Luther-University Halle-Wittenberg and an individual research grant by the DFG (HA2419); by a grant of the Wilhelm-Roux Program of the Martin-Luther-University Halle-Wittenberg; by a grant from the Ministry of EducationSaxony-Anhalt, and by the Federal Employment Office

Available from: 2011-02-10 Created: 2011-02-10 Last updated: 2015-04-29Bibliographically approved

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