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Table 3 OR and 95% CI of hypertension associated with different levels of road traffic noise exposure (categorical) in three different age groups using two models of adjusting.

From: Road traffic noise and hypertension: results from a cross-sectional public health survey in southern Sweden

Age Laeq 24 h (dB) N = * Prevalence Age Sex, BMI
OR (95% CI)
Fully adjusted
OR (95% CI)
18-39 <45 1782 4.0%   
  45-49 1637 4.8% 1.17 (0.84-1.62) 1.16 (0.83-1.61)
  50-54 2190 4.6% 1.19 (0.88-1.63) 1.17 (0.85-1.60)
  55-59 1638 4.3% 1.12 (0.80-1.57) 1.10 (0.78-1.55)
  60-64 906 5.5% 1.47 (1.01-2.14) 1.44 (0.99-2.10)
  >64 120 5.0% 1.38 (0.58-3.26) 1.30 (0.55-3.09)
  5dB(A) increase 8273   1.07 (0.98-1.16) 1.06 (0.97-1.16)
  10dB(A) increase 8273   1.14 (0.96-1.35) 1.13 (0.95-1.34)
40-59 <45 2481 16.7%   
  45-49 2189 17.0% 1.00 (0.85-1.17) 0.99 (0.84-1.17)
  50-54 2272 17.3% 1.01 (0.86-1.18) 1.00 (0.85-1.17)
  55-59 1531 18.3% 1.10 (0.93-1.32) 1.08 (0.91-1.29)
  60-64 753 21.1% 1.30 (1.05-1.61) 1.27 (1.02-1.58)
  >64 102 28.4% 2.03 (1.28-3.24) 1.91 (1.19-3.06)
  5dB(A) increase 9328   1.08 (1.03-1.13) 1.07 (1.02-1.12)
  10dB(A) increase 9328   1.16 (1.06-1.28) 1.15 (1.04-1.26)
60-80 <45 1444 36.8%   
  45-49 1536 41.7% 1.19 (1.03-1.39) 1.19 (1.02-1.38)
  50-54 1828 39.8% 1.14 (0.99-1.32) 1.13 (0.98-1.32)
  55-59 1226 40.4% 1.14 (0.97-1.33) 1.12 (0.95-1.32)
  60-64 543 36.3% 0.94 (0.76-1.16) 0.92 (0.74-1.14)
  >64 60 40.0% 1.10 (0.64-1.89) 1.05 (0.61-1.82)
  5dB(A) increase 6637   0.99 (0.95-1.04) 0.99 (0.94-1.03)
  10dB(A) increase 6637   0.98 (0.90-1.07) 0.97 (0.89-1.06)
  1. * N is the same for both adjusted models, e. i. uses the same individuals
  2. Additional OR and 95% CI of hypertension associated to a 5 and 10 dB(A) increase in noise exposure (continuous)