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Table 4 Estimated effects of a 10 dB LAeq 24 hr increase in road traffic noise exposure on risk for hypertension in recent studies. †

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

Study Subgroup N = OR(95% CI) Hypertension definition Exposure estimation Age Age breakdown
Our study   24238 1.06 (1.00-1.13) Self-report GIS 18-80 Yes
Bluhm et al 2007   667 1.90 (1.12-3.20)* Self report Manually 19-80 No
Järup et al 2008   4861 1.10(1.00-1.20) Measurement GIS 45-70 No
de Kluizenaar
et al 2008
Groeningen 38849 1.03 (0.96-1.11) Self-report GIS 28-75 Yes
  PREVEND 7264 1.08 (0.95-1.23) Measurement GIS 28-75 Yes
  1. Key characteristics, odds ratios (OR) and 95% confidence intervals (CI) are given.
  2. * recalculated from 5dB increase
  3. † Articles published after review by Babisch in 2006. Pubmed search "road traffic noise hypertension" years: 2007- 2009. Articles that did not present a continuous analysis were excluded.