Description
For sample persons aged 40 and over who had ever had a chest x-ray and whose most recent x-ray was in the past 3 years and who had their last chest x-ray because of a specific chest problem, CXRAYWHYCOF reports whether the reason for the last chest x-ray was coughing.
CXRAYWHYCOF is part of a series of variables introduced in 1992 dealing with cancer control. For related variables, please use the IPUMS NHIS search function and drop-down menus
