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The Diesel Exhaust in Miners Study (DEMS)

DEMS - Cohort Mortality Study

External Analytical Set Variable List
Variables
ID - Record NumberContributing Cause of Death ICD Codes 1-10 (XXX.X)
Date of Birth (MM/DD/YYYY)Last Observed Date (MM/DD/YYYY)
Sex Code: 0=Female; 1=MaleState (worked the longest): 1=Ohio; 2=Missouri; 3=New Mexico; 4=Wyoming
Race Code: 0=Unknown; 1=White; 2=Non-whiteExposure Begin Date (MM/DD/YYYY) - at study facilities
Vital Status: 0=Unknown; 1=Living; 2=DeadExposure End Date (MM/DD/YYYY) - at study facilities
International Classification of Diseases (ICD) Version - ICD at time of death (XX)Location Code: 1=Underground; 2=Surface; 3=Surface/Underground; 4=Inactive/Offsite
Underlying Cause of Death ICD Code (XXX.X) 
Internal Analytical Set Variable List
Variables
ID - Record NumberHired Date (MM/DD/YYYY)
Date of Birth (MM/DD/YYYY)Exposure Begin Date (MM/DD/YYYY) - at study facilities
Sex Code: 0=Female; 1=MaleExposure End Date (MM/DD/YYYY) - at study facilities
Race Code: 0=Unknown; 1=White; 2=Non-whiteLocation Code: 1=Underground; 2=Surface; 3=Surface/Underground; 4=Inactive/Offsite
Vital Status: 0=Unknown; 1=Living; 2=DeadUnderground Percent
Underlying Lung Cancer Mortality: 0=No; 1=YesRespirable Elemental Carbon Metric (µg/m3)
Contributing Lung Cancer Mortality: 0=No; 1=YesRespirable Elemental Carbon Alternative Metrics (5-year Means, Power Model, Medians)
Underlying Esophageal Cancer Mortality: 0=No; 1=YesRespirable Dust Metric (mg/m3)
Contributing Esophageal Cancer Mortality: 0=No; 1=YesRadon Metric (WL=Working Level)
Last Observed Date (MM/DD/YYYY)Silica Level Code: 0=None; 1=Low; 2=Medium; 3=High
State (worked the longest): 1=Ohio; 2=Missouri; 3=New Mexico; 4=WyomingAsbestos Level Code: 0=None; 1=Low; 2=Medium; 3=High
Mine Type Code (worked the longest): 1=Lime; 2=Potash; 3=Salt; 4=TronaNon-Diesel Polycyclic Aromatic Hydrocarbons Level Code: 0=Absent; 1=Present
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