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Matched at a 2-1 Ratio for Thyroid and a 1-1 Ratio For Hematopoietic (Selected)
Matching Factors:
Gender
Race (W/B/O)
Center for Hema match
Grouped study year of material (T0, T1/T2, T4/T5)
Calendar Year of Draw +/- 1 year
Age at Draw +/- 3 years
Match Ratio: 2-1 for Thyroid; 1-1 for Hematopoietic
Match Technique: Frequency matching only non-cases as controls.
Additional Matching Comments: The Hema match was done first and then the thyroid match was done targeting controls selected for the hema cases.
Analytes:
PFDA
PFHpA
PFHpS
PFHxA
PFHxS
PFNA
PFOA
PFOS branched
PFOS linear
PFOS total
PFUnA
Number of Cases: 894
Number of Controls: 761
The following datasets contain the data available for 2020-0003. The description and documentation for each file is listed below. SAS7bdat and CSV versions of the actual data will be available to CDAS projects approved to use this data.
