Table 4

 Mean effects (95% CI)* of welding fume exposure on baseline to 24 hours post-baseline changes in levels of systemic inflammatory markers

Crude modelAdjusted model†
*To account for repeated measurements, mean (95% CI) changes across the workday were calculated using mixed models.
†Models adjusted for centred age and smoking status.
C-reactive protein, mg/l0.95‡(0.23 to 1.67)0.90‡(0.17 to 1.64)
Fibrinogen, mg/dl−21(−60 to 17)−22(−63 to 18)
White blood cells, ×103/μl0.5(−1.0 to 2.0)0.5(−1.0 to 2.0)
Absolute neutrophils, ×103/μl0.7(−0.7 to 2.1)0.7(−0.7 to 2.2)
Relative neutrophils, %2(−7 to 11)2(−8 to 11)