ArticleThe Journal of asthma : official journal of the Association for the Care of Asthma2016
Agreement between current and active asthma classification methods, Asthma Call-back Survey, 2011-2012.
Article in The Journal of asthma : official journal of the Association for the Care of Asthma, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveVarious approaches have been developed to identify persons with asthma using survey data. To assess agreement between current and active asthma classifications, 2011-2012 Asthma Call-back Survey landline telephone household data from 38 states, District of Columbia, and Puerto Rico for adults aged ≥18 years who have ever been told by a health professional they have asthma were analyzed.
methodsRespondents were classified to have current asthma if they reported still having asthma, and active asthma if they reported within the past year: 1) talking to a doctor about asthma, 2) taking asthma medication, or 3) having any symptoms of asthma. Agreement between classifications was assessed using the Kappa statistic.
resultsAmong adults ever told by a health professional they have asthma, an estimated 72% had current asthma and 75% had active asthma. Overall, 67% of individuals met classifications of both current and active asthma and 20% had neither current nor active asthma (Kappa = 0.68). The Kappa increased to 0.72 when talking to a doctor about asthma was removed from the active asthma classification.
conclusionsResults indicated substantial agreement between current and active asthma. Agreement was strengthened when talking to a doctor about asthma was removed from the active asthma classification.
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