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Effects of physical activity and air pollution on blood pressure

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Title: Effects of physical activity and air pollution on blood pressure
Authors: Avila-Palencia, I
Laeremans, M
Hoffmann, B
Anaya-Boig, E
Carrasco-Turigas, G
Cole-Hunter, T
De Nazelle, A
Dons, E
Götschi, T
Int Panis, L
Orjuela, JP
Standaert, A
Nieuwenhuijsen, MJ
Item Type: Journal Article
Abstract: AIM: To assess the main and interaction effects of black carbon and physical activity on arterial blood pressure in a healthy adult population from three European cities using objective personal measurements over short-term (hours and days) and long-term exposure. METHODS: A panel study of 122 healthy adults was performed in three European cities (Antwerp, Barcelona, and London). In 3 seasons between March 2015 and March 2016, each participant wore sensors for one week to objectively measure their exposure to black carbon and monitor their physical activity continuously. Blood pressure was assessed three times during the week: at the beginning (day 0), in the middle (day 4), and at the end (day 7). Associations of black carbon and physical activity with blood pressure and their interactions were investigated with linear regression models and multiplicative interaction terms, adjusting for all the potential confounders. RESULTS: In multiple exposure models, we did not see any effects of black carbon on blood pressure but did see effects on systolic blood pressure of moderate-to-vigorous physical activity effect that were statistically significant from 1 h to 8 h after exposure and for long-term exposure. For a 1METhour increase of moderate-to-vigorous physical activity, the difference in the expected mean systolic blood pressure varied from -1.46 mmHg (95%CI -2.11, -0.80) for 1 h mean exposure, to -0.29 mmHg (95%CI -0.55, -0.03) for 8 h mean exposure, and -0.05 mmHg (95%CI -0.09, -0.00) for long-term exposure. There were little to no interaction effects. CONCLUSIONS: Results from this study provide evidence that short-term and long-term exposure to moderate-to-vigorous physical activity is associated with a decrease in systolic blood pressure levels. We did not find evidence for a consistent main effect of black carbon on blood pressure, nor any interaction between black carbon and physical activity levels.
Issue Date: 16-Mar-2019
Date of Acceptance: 14-Mar-2019
URI: http://hdl.handle.net/10044/1/69503
DOI: https://dx.doi.org/10.1016/j.envres.2019.03.032
ISSN: 0013-9351
Publisher: Elsevier
Start Page: 387
End Page: 396
Journal / Book Title: Environmental Research
Volume: 173
Copyright Statement: © 2019 Elsevier Inc. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence http://creativecommons.org/licenses/by-nc-nd/4.0/
Sponsor/Funder: Commission of the European Communities
Funder's Grant Number: 602624
Keywords: Black carbon
Blood pressure
Physical activity
03 Chemical Sciences
05 Environmental Sciences
06 Biological Sciences
Publication Status: Published
Conference Place: Netherlands
Online Publication Date: 2019-03-16
Appears in Collections:Centre for Environmental Policy

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