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Saliva cortisol and exposure to aircraft noise in six European countries.
Stockholm University, Faculty of Social Sciences, Stress Research Institute.
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2009 (English)In: Environmental health perspectives, ISSN 1552-9924, Vol. 117, no 11, 1713-7 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Several studies show an association between exposure to aircraft or road traffic noise and cardiovascular effects, which may be mediated by a noise-induced release of stress hormones. OBJECTIVE: Our objective was to assess saliva cortisol concentration in relation to exposure to aircraft noise. METHOD: A multicenter cross-sectional study, HYENA (Hypertension and Exposure to Noise near Airports), comprising 4,861 persons was carried out in six European countries. In a subgroup of 439 study participants, selected to enhance the contrast in exposure to aircraft noise, saliva cortisol was assessed three times (morning, lunch, and evening) during 1 day. RESULTS: We observed an elevation of 6.07 nmol/L [95% confidence interval (CI), 2.32-9.81 nmol/L] in morning saliva cortisol level in women exposed to aircraft noise at an average 24-hr sound level (L(Aeq,24h)) > 60 dB, compared with women exposed to L(Aeq,24h) < or = 50 dB, corresponding to an increase of 34%. Employment status appeared to modify the response. We found no association between noise exposure and saliva cortisol levels in men. CONCLUSIONS: Our results suggest that exposure to aircraft noise increases morning saliva cortisol levels in women, which could be of relevance for noise-related cardiovascular effects.

Place, publisher, year, edition, pages
2009. Vol. 117, no 11, 1713-7 p.
Keyword [en]
cardiovascular disease, gender differences
National Category
Medical and Health Sciences
URN: urn:nbn:se:su:diva-34826DOI: 10.1289/ehp.0900933ISI: 000271399300027PubMedID: 20049122Local ID: P2772OAI: diva2:285696
Available from: 2010-01-12 Created: 2010-01-12 Last updated: 2010-01-12Bibliographically approved

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