Codes and Frequencies
For sample persons aged 40 and over who had ever had a chest x-ray, CXRAYDYR reports the year of the most recent chest x-ray. For the associated month, see CXRAYDMO.
CXRAYDYR is part of a series of variables introduced in 1992 dealing with adult cancer. For related variables, please use the IPUMS NHIS search function and drop-down menus
- 1992: Half of sample persons age 40+ in quarters 1 and 2, and in 2 weeks of quarter 3 (excluded from CAEP supplement) who have ever had a chest x-ray.
- 1992 : SAMPWEIGHT