Table 1

Characterisitics of the population

Control group (n=79) Exposed group (n=75)
Age (y)1-151 38.8 (27.5–54.6, 6.0)38.8 (27.1–55.0, 6.5)
Height (cm)1-151 175.4 (158.0–195.0, 7.5)175.4 (153.0–194.0, 7.6)
Weight (kg)1-151 77.9 (58.0–105.0, 11.0)79.1 (56.0–128.0, 10.6)
Lead in blood (μg/l)1-152 50.7 (17.0–139.0, 1.5)1-150 39.5 (7.0–123.0, 1.7)
Cadmium in urine (μg/g creatinine)1-152 0.35 (0.09–2.29, 2.0)0.25 (0.03–1.09, 2.1)
Mercury in urine (μg/g creatinine)1-152 1.46 (0.28–7.30, 2.0)1.61 (0.41–7.94, 2.0)
Duration of exposure (y)1-151 13.5 (1.4–35.0, 6.8)
Smokers/ex-smokers (n/n)27/2627/24
Pack-years (smokers and ex-smokers)1-152 7.7 (0.2–36.0, 2.9)6.2 (0.1–27.0, 3.4)
Cotininuria in current smokers (mg/g creatinine)1-153 1.64 (0.17–23.23, 4.3)1.65 (0.05–3.28, 0.80)
  • 1-150 p<0.05 v exposed group byt test.

  • 1-151 Arithmetic mean (range, SD);

  • 1-152 geometric mean (range, SD);

  • 1-153 median (range, SD).