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A study to reexamine and compare diabetes data from the NIOSH cohort and the United States Air Force Ranch Hands in order to reconcile differences between the two study methods and protocols
267 NIOSH workers 990 Ranch Hands
227 NIOSH comparisons 1,275 Ranch Hand comparisons
NIOSH Studies Reviewed inUpdate 2000
Calvert et al., 1999
Cohort
Continuing follow-up of workers employed more than 15 years ago at two plants that manufactured substances contaminated with TCDD to evaluate associations between serum TCDD and serum glucose (diabetes), TSH, total T4, and T3
281
260
Steenland et al., 1999
Cohort
Mortality study of workers at 12 industrial plants that produced chemicals contaminated with TCDD, using a job-exposure matrix to estimate TCDD exposure categories. End points reported are all cancers, ischemic heart disease, and diabetes
5,132 (3,538 with exposure data divided into septiles of cumulative exposure; 608 who had chloracne)
