Exposure to workplace noise and the risk of cardiovascular disease events and mortality among older adults

Prev Med. 2011 Dec;53(6):390-4. doi: 10.1016/j.ypmed.2011.10.001. Epub 2011 Oct 8.

Abstract

Background: We aimed to examine whether cross-sectional (prevalence) and longitudinal relationships (5-year incidence and 10-year mortality) exist between workplace noise exposure and cardiovascular diseases (CVD).

Methods: 2942 participants aged 55+years of the Blue Mountains Eye Study, Australia (1997-9 and 2002-4). Participants self-reported workplace noise exposure, hearing protector use and physician diagnosed CVD. CVD deaths were confirmed using the Australian National Death Index.

Results: 133 and 937 participants self-reported workplace noise exposure, and use or non-use of hearing protection devices, respectively. After multivariate adjustment, those who did not use hearing protection devices were 53% and 75% more likely to have prevalent CVD and angina, respectively, compared to those never exposed to workplace noise. Exposure to severe workplace noise for less than 1 to 5 years versus no exposure was associated with incident stroke OR 3.44 (95% CI 1.11-10.63). The mortality rate of CVD was 0.94% per year in people unexposed to workplace noise. Participants reporting less than 1 to 5 years versus those with no workplace noise exposure had a higher risk of CVD mortality, hazard ratio, HR, 1.60 (95% CI 1.10-2.33).

Discussion: These data highlight the public health impact of workplace noise exposure on the vascular health of older adults.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aged
  • Australia / epidemiology
  • Cardiovascular Diseases / mortality*
  • Cross-Sectional Studies
  • Female
  • Humans
  • Longitudinal Studies
  • Male
  • Middle Aged
  • Noise, Occupational*
  • Occupational Exposure / adverse effects*
  • Risk Assessment
  • Workplace*