Table VII
            Parameter Estimates for Selected Cancer Causes of Death for
              X-10/Y-12 Subcohort (N = 28,347) Using Main Effects ERR
                      Model with External Rates and Unadjusted
           Cumulative Dose with Ten Year Lag (Two Year Lag For Leukemia)

                     Digestive      Lung       Prostate    Leukemia

  Term               Est   SE    Est   SE     Est   SE     Est   SE

 
A1(Age-52.5)/100    2.50   .83  -1.17   .69  -1.78  1.68  -2.55  1.5

  <1900            -64.7  27.7  -11.6  25.3   71.9  50.3   68.9  59.7
   1900 - 09       -30.5  21.6   -6.9  18.2   27.5  45.0   85.3  44.8
B2-1910 - 19       -17.7  19.3   -5.5  16.1    8.9  41.7   47.6 43.1   
   1920 - 29       -26.9  21.9  -36.4  17.4   54.6  43.2   39.2  45.7  
   1930+           -34.8  41.4 -104.5  34.9     .     .  -105.1  82.4 
 
S3-Nonmonthly         0    .      0     .        0     .     0    .   
  Mth vs NonMth    -21.7  16.2  -84.0  16.1  -18.2  30.3   -9.3  33.4

L3- 1 Year +          0    .      0     .        0     .     0    .   
    < 1 Year        -9.6  18.9   19.7  15.5   37.1  34.1    8.4  39.9 

IG3,4-EN              0     .      0    . 0  .  0  .
     EM            -14.3  15.8   11.2  11.9  -15.3  29.1   20.0  36.2  
     NE             -5.7  17.6    0.5  15.4  -42.0  32.1    3.3  39.2 

F3-X-10               0    .      0     .      0     .      0   .   
   Y-12 vs X-10    -14.2  18.4   46.0  14.6   -5.3  36.0 -113.9  48.2   
   Mult vs X-10    -23.0  15.8   33.4  13.5   20.7  28.9  -64.4  35.0  
 
D5-Dose(10 mSv)     1.42         1.68	      2.06       06.
   95% Cl7       (<0, 6.79)  (0.03, 4.94)  (<0, 24.6)   (<0, 6.5)

  1. This term describes (and adjusts for) any systematic age-related difference in the external rates (U.S. White Males) and the study cohort in percent per year units --- see Eq. 3 ----and the Appendix for further discussion.
  2. The estimates for each birth cohort are SMRs (in L% units) for the reference level of each of the other terms in the model, e.g. for the 1910-19 cohort the estimated lung cancer SMR = exp (-0.055) = 0.95. The reference group is nonmonthly workers employed at least 1 year at X-10 and who were eligible but not monitored for internal radiation exposure.
  3. For S, L, IG, and F the estimates are of relative risks in L% units, i.e. lung cancer the relative risk for monthly vs. nonmonthly workers is exp (-.84) = 0.43.
  4. IG-Internal Radiation: EN - eligible and not monitored, EM = eligible and monitored, and NE = not eligible for monitoring.
  5. Dose-response for the ERR per Sv (see Eq. 4) which is equivalent to percent per 10 mSv (rem).
  6. Zero estimates indicates that likelihood was maximized at value that would lead to negative relative risk estimate.
  7. Likelihood ratio based confidence interval for ERR.