Table 3

Mortality risk for infectious pneumonia among male Swedish construction workers aged 20–64 years exposed to inorganic dust, chemicals, metal fumes and wood dust, adjusted for age and smoking based on Poisson regression models

Predictor (exposure)RR (95% CI)
Infectious pneumonia (n=145)Lobar pneumonia (n=49)Pneumococcal pneumonia (n=36)
Referents111
n=26n=5n=3
Inorganic dust*1.87 (1.22 to 2.87)3.37 (1.32 to 8.57)4.29 (1.28 to 13.86)
n=108n=37n=28
Chemicals*1.91 (1.37 to 3.22)4.53 (1.63 to 12.58)5.80 (1.62 to 20.88)
n=31n=14n=10
Metal fumes*2.31 (1.35 to 3.95)3.67 (1.33 to 10.11)5.77 (1.53 to 21.73)
n=27n=9n=8
Wood dust*0.90 (0.37 to 2.19)1.59 (0.31 to 8.17)2.61 (0.44 to 15.83)
n=6n=2n=2
Any exposure*1.80 (1.18 to 2.75)3.45 (1.37 to 8.70)4.21 (1.29 to 13.72)
n=119n=44n=33
  • * Binary outcome (1=yes, 0=no).