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Conditions believed caused by radon exposure: Asthma

Codes and Frequencies

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For sample adults ages 18 and older who believe that radon exposure is unhealthy (RADONBAD), RADONASTH reports if the respondent identified asthma when asked about conditions she/he believed were caused by radon exposure.

RADONASTH is included in the sample adult section within a series of questions about environmental health concerns, including testing for lead and radon. For more information and related variables, see RADHEAR or use the IPUMS NHIS search function and drop-down menus.


There are no comparability issues.


  • 1990: Sample persons age 18+ who ever heard of radon and believe that exposure to radon is unhealthy.


  • 1990