Saliva cortisol in relation to aircraft noise exposure: pooled-analysis results from seven European countries.

For multivariate analyses, aircraft noise levels were not related to the morning concentration of cortisol, but were associated with an increase in evening cortisol concentration (exp(β) = 1.08, CI95% 1.00–1.16 for a 10-dB(A) increase in LA eq,16h ; exp.(β) = 1.09, CI95% 1.01–1.18 for a 10-dB(A) increase in L den ; exp.(β) = 1.11, CI95% 1.02–1.20 for a 10-dB(A) increase in L night – while the relation between evening level and LA eq, 24h was borderline significant exp.(β) = 1.08, CI95% 1.00–1.17 per 10-dB(A) increase) in women.

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