Comparison non-linear generalized additive (GAM) model (adjusted for site monitored for internal dose, age of exit, decade of first job in industry, age at start of first job, socioeconomic status and main job) with: (panel A) model used in original analysis case-control study (similarly adjusted except for “site”, which could not be included because of matching) (22 ) and (panel B) results from analysis of the cohort from (11 ).