Codes and Frequencies
For sample persons age 18 and over, CSRISKEMPH reports if the respondent believes cigarette smoking definitely increases, probably increases, probably does not, or definitely does not increase a person's chance of getting emphysema.
For related variables, please use the IPUMS NHIS search function and drop-down menus.
- 1985; 1990: Sample persons age 18+.
- 1985, 1990
- 1985, 1990 : SAMPWEIGHT