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Ever used peak flow meter, round record


[ PRELIMINARY VARIABLE: Variable description may change once we confirm the universe and assess the comparability of this variable over time. ]

For persons with asthma who have a peak flow meter at home (ASTHPEAKHMRD), ASTHPEAKUSRD reports if the person has ever used their peak flow meter. Persons who are in scope in round 5 of the panel in relative year 2 or round 3 of the panel in relative year 1, who reported ever being diagnosed with asthma, and who indicated they still had asthma or had an episode/attack of asthma in the past 12 months answered additional questions about asthma medication and peak flow meters.

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The comparability of this variable over time has not yet been assessed.


The universe for this variable has not yet been confirmed.


  • 2003-2016



This variable has no flags.