Table 3

Overall and sex-specific HRs of stroke incidence in relation to transportation noise exposure 1–5 years preceding the event from different sources in fully adjusted model*

ExposureRoad traffic noise exposure years 1–5Railway noise exposure years 1–5Aircraft noise exposure years 1–5
Person-
years
No. of
cases
HR* (95% CI)Person-
years
No. of
cases
HR* (95% CI)Person-
years
No. of
cases
HR* (95% CI)
Overall
Categorical dB, Lden
 <45127 2753071 (ref.)214 5547101 (ref.)212 0647261 (ref.)
 45–4945 4411501.01 (0.83 to 1.23)16 180911.02 (0.82 to 1.27)22 4601130.99 (0.80 to 1.22)
 50–5437 2091921.10 (0.90 to 1.33)10 034591.20 (0.92 to 1.57)12 568510.73 (0.54 to 0.98)
 55–6040 2582530.86 (0.70 to 1.05)9415420.99 (0.73 to 1.36)2996121.36 (0.77 to 2.43)
Continuous
per 10 dB, Lden
250 1839021.00 (0.92 to 1.09)250 1839021.05 (0.96 to 1.15)250 0889020.96 (0.84 to 1.09)
Women
Categorical dB, Lden
 <4569 0821341 (ref.)120 5513391 (ref.)120 9613621 (ref.)
 45–4926 517680.90 (0.67 to 1.21)9694581.23 (0.93 to 1.63)12 654580.98 (0.74 to 1.31)
 50–5422 1601071.16 (0.89 to 1.51)6372361.34 (0.95 to 1.90)6890320.80 (0.55 to 1.16)
 55–6024 3281490.89 (0.68 to 1.15)5470251.13 (0.75 to 1.70)151061.38 (0.61 to 3.10)
Continuous
per 10 dB, Lden
142 0874581.02 (0.91 to 1.14)142 0874581.13 (1.00 to 1.27)142 0154581.06 (0.89 to 1.25)
Men
Categorical dB, Lden
 <4558 1931731 (ref.)94 0033711 (ref.)91 1033641 (ref.)
 45–4918 924821.11 (0.85 to 1.45)6486330.79 (0.55 to 1.13)9806551.00 (0.74 to 1.33)
 50–5415 049851.03 (0.78 to 1.35)3662231.04 (0.68 to 1.59)5678190.63 (0.40 to 1.01)
 55–6015 9301040.83 (0.63 to 1.08)3945170.85 (0.52 to 1.38)148661.35 (0.60 to 3.06)
Continuous
per 10 dB, Lden
108 0964440.99 (0.89 to 1.11)108 0964440.97 (0.84 to 1.11)108 0734440.86 (0.72 to 1.03)
  • *Adjusted for sex, enrolment year and year of the event, smoking status, alcohol consumption, occupation, educational level, physical activity during leisure time, marital status and working status with age as underlining time scale.