Table 5

Odds of chest imaging or lung function abnormalities per year worked in the stone industry among engineered stone workers from four countries

Restrictive pattern n=128Obstructive pattern n=142Mixed pattern n=128Reduced TLC n=129Reduced DLCO n=137Complicated silicosis/PMF n=168
Unadjusted
 One additional year worked in industryOR1.021.021.021.021.031.03
(95% CI)(0.98 to 1.06)(0.98 to 1.06)(0.96 to 1.08)(0.99 to 1.06)(0.99 to 1.06)(0.99 to 1.06)
P value0.340.320.550.220.170.14
Adjusted*
 One additional year worked in industryOR1.021.021.021.021.021.02
(95% CI)(0.98 to 1.06)(0.98 to 1.06)(0.96 to 1.08)(0.99 to 1.06)(0.98 to 1.06)(0.98 to 1.07)
P value0.370.440.520.240.340.27
  • *Restrictive, obstructive, mixed pattern, reduced TLC and DLCO were adjusted for smoking pack-years. Complicated silicosis/PMF was adjusted for age.

  • DLCO, diffusion capacity of lung for carbon monoxide; PMF, progressive massive fibrosis; TLC, total lung capacity.