Effect of nighttime aircraft noise exposure on endothelial function and stress hormone release in healthy adults.

without assuming a monotone effect for dose as a pseudo-continuous covariate, did not reach statistical significance (control night: 10.4 ± 3.8%; after 30 noise events: 9.7 ± 4.1%; after 60 noise events: 9.5 ± 4.3%, P = 0.052, Figure 2 A ), the introduction of the two additional factors described in the Methods section evidenced a priming effect of Noise30 nights on the blunting in FMD induced by Noise60 ( P = 0.006), i.e.

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