Table 1– Percentage increase in risk of respiratory mortality caused by an increase of 1 db(A) of diurnal noise in Madrid, Spain
Age years
<65≥65
Diurnal noise at lag 0−1.4 (−23.4–20.5)4.8 (−0.7–10.4)#
 Lag 1−5.3 (−27.5–16.7)6.5 (0.8–12.2)*
 Lag 22.4 (−20.0–24.0)−5.2 (−10.8–5.1)
 Lag 3−4.0 (−26.0–17.9)−2.2 (−7.9–32.9)
Diurnal noise at lag 1
 Adjustment for PM2.5−6.4 (−29.3–16.5)6.1 (0.2–12.0)*
 Adjustment for NO2−5.1 (−27.2–17.1)6.2 (0.6–11.9)*

  • Data are presented as percentage increase in risk (95% CI). PM2.5: particulate matter with aerodynamic diameter <2.5 μm. #: p<0.1. *: p<0.05.