ROS, MAP, MARS, Clinical Core, LATC
History of thyroid disease at baseline is self-reported at the baseline interview.
Participants are asked the following question:
Have you ever been told by a doctor, nurse, or therapist that you had thyroid disease?
Response choices are coded into reported as present prior to baseline = 1 or not reported as present prior to baseline (includes suspect or possible) = 0.
|Suspect or possible||2||0|
Note: A longitudinal version of this variable is available upon request.