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Restrictive spirometry pattern among construction trade workers.

Stella E Hines1, John Dement2, Marianne Cloeren1

  • 1Division of Occupational and Environmental Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA.

American Journal of Industrial Medicine
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This summary is machine-generated.

Restrictive spirometry pattern (RSP) is common in construction workers and linked to higher mortality from all causes, cardiovascular, respiratory, and lung cancer. This occupational lung disease pattern warrants further investigation.

Keywords:
construction tradesmortalityparenchymalpleuralrestrictive spirometry pattern

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Area of Science:

  • Occupational Medicine
  • Pulmonary Medicine
  • Epidemiology

Background:

  • Spirometry studies often overlook restrictive spirometry pattern (RSP) in occupational lung disease.
  • Focus has primarily been on obstructive or mixed patterns.
  • The association between RSP, occupation, and mortality requires investigation.

Purpose of the Study:

  • To determine if restrictive spirometry pattern (RSP) is associated with specific occupations.
  • To investigate the link between RSP and increased mortality risk.
  • To identify risk factors for RSP in a working population.

Main Methods:

  • Analysis of spirometry, demographic, smoking, and mortality data from 18,145 workers.
  • Prevalence of RSP examined across demographic, clinical variables, and trades.
  • Log-binomial and Cox regression models used to assess risk factors and mortality.

Main Results:

  • Restrictive spirometry pattern (RSP) prevalence was high at 28.6%.
  • RSP was linked to significantly elevated mortality hazard ratios for all causes (1.50), cardiovascular (1.86), respiratory (2.31), and lung cancer (1.66).
  • Construction trades, excluding painters, machinists, and roofers, showed increased RSP risk; RSP correlated with chest X-ray findings.

Conclusions:

  • Construction workers face a heightened risk of RSP, independent of obesity.
  • Individuals with RSP have a significantly increased risk of all-cause mortality and mortality from respiratory, cardiovascular diseases, and lung cancer.
  • Restrictive spirometry pattern (RSP) warrants greater attention in occupational medicine and epidemiology.