ADS, Analytic data structure;

AG, age group factor in main effects model;

AIC, Akaike information criteria;

B, birth cohort factor in main effects model;

CI, confidence interval;

CEDR, Comprehensive Epidemiologic Data Resource;

df, degrees of freedom;

D, external radiation dose;

DOE, Department of Energy;

ERR, excess relative risk;

F, facility factor in main effects model;

FTR, Freeman-Tukey residual;

GLIM, generalized linear interactive modeling;

IG, internal radiation exposure group factor in main effects model;

K-25, Oak Ridge facility (also known as Oak Ridge Gaseous Plant);

L, length of employment factor in main effects model;

L%, logarithmic percent;

LRT, likelihood ratio test;

MULT, Oak Ridge workers employed at more than one facility;

S, factor that is surrogate for SES in main effects model;

SAS, Statistical Analysis System;

SE, standard error;

SES, socioeconomic status;

SMR, standardized mortality ratio;

TEC, Oak Ridge facility consisting of workers employed at the Y-12
site when the plant was operated by Tennessee Eastman Corporation;

X-10, Oak Ridge facility (also known as Oak Ridge National
Laboratory);

X-10/Y-12, subcohort of white males employed at X-10 or Y-12;

Y-12, Oak Ridge facility at Y-12 site after May, 1947

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