Table 3

Logistic regression model for odds of BeS/CBD (including all who worked at K-25)

Independent effectsEstimated coefficientsOR (95% CI)
DPβE69+2.4711.9 (4.91 to 28.7)
Per year increase in work years at Y-12−0.040.96 (0.92 to 1.00)
Assigned lifetime-weighted average (LTWA) exposure* >0.1 μg/m31.56See below
Ever having worked at K-251.23See below
Assigned LTWA exposure*×Ever having worked at K-25−1.58See below
Interaction effects
 Ever having worked at K-25
  Assigned LTWA exposure >0.1 μg/m32.8016.5 (2.77 to 97.8)
  Assigned LTWA exposure ≤0.1 μg/m31.233.43 (1.30 to 9.07)
 Never having worked at K-25
  Assigned LTWA exposure >0.1 μg/m31.574.79 (1.61 to 14.2)
  Assigned LTWA exposure ≤0.1 μg/m3(Reference group)
  • * Assigned lifetime-weighted average exposure based on interview and IH task assessment.

  • BeS, beryllium sensitisation; CBD, chronic beryllium disease; IH, industrial hygiene.