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Published on: November 4, 2010
The status of asthma control in the U.S. adult population
Anne Fuhlbrigge1, Michael L Reed, David A Stempel
1GlaxoSmithKline, Research Triangle Park, North Carolina 27709, USA.
Abstract:
Treatment guidelines recognize the importance of achieving and maintaining asthma control. This study was designed to assess the prevalence of asthma control in a representative U.S. population. A survey regarding asthma and associated symptoms was sent to a representative national sample of 134,401 households managed by the National Family Opinion WorldGroup from May to July 2007. Subjects >or=18 years with current asthma were identified and completed the Asthma Control Test (ACT), a brief validated self-administered survey that assesses asthma control. Subjects with an ACT score of >19 have been defined as having well-controlled asthma (WCA) and those with a score of
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