Codes and Frequencies
For sample adults and sample children who still have asthma (ASTHMASTIL) or who had an asthma episode/attack in the past 12 months (ASTHATAKYR), ASTHPEAK indicates whether a health professional had taught them (or, for sample children, their parent or guardian) how to monitor peak flow for daily therapy.
For a full list of asthma-related variables currently in the IPUMS NHIS, see
- 2003; 2008; 2013; 2018: Sample adults age 18+ and sample children under age 18 who still have asthma or who had an asthma episode in the past 12 months.
- 2003, 2008, 2013, 2018
- 2003, 2008, 2013, 2018 : SAMPWEIGHT