Codes and Frequencies
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, CXRAYWHYEMP reports whether the reason for the last chest x-ray was emphysema.
CXRAYWHYEMP 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
- 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, whose most recent chest x-ray was in the past 3 years, and who had their last chest x-ray because of a specific chest problem.
- 1992 : SAMPWEIGHT