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Journal of Asthma Volume 43, 2006 - Issue 9
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ORIGINAL ARTICLE

Asthma Numeracy Skill and Health Literacy

Andrea J. Apter Department of Medicine, Division of Pulmonary, Allergy Critical Care Medicine; Center for Clinical Epidemiology and Biostatistics and Center for Education and Research on Therapeutics; Leonard Davis Institute of Health Economics
, M.D., M.Sc.,
Jing Cheng Department of Biostatistics and Epidemiology
, M.S.,
Dylan Small Department of Biostatistics and Epidemiology; Department of Statistics
, Ph.D.,
Ian M. Bennett Department of Family Medicine
, M.D., Ph.D.,
Claire Albert Department of Medicine, Division of Pulmonary, Allergy Critical Care Medicine
, B.S.,
Daniel G. Fein Department of Medicine, Division of Pulmonary, Allergy Critical Care Medicine
, B.S.,
Maureen George Department of Medicine, Division of Pulmonary, Allergy Critical Care Medicine
, Ph.D., R.N., AE-C &
Simone Van Horne Department of Medicine of Pennsylvania Hospital, University of Pennsylvania, Philadelphia, PA, USA
, M.D. show all
Pages 705-710 | Published online: 02 Jul 2009
 
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Abstract

To assess understanding of numerical concepts in asthma self-management instructions, a 4-item Asthma Numeracy Questionnaire (ANQ) was developed and read to 73 adults with persistent asthma. Participants completed the Short Test of Functional Health Literacy in Adults (STOFHLA), 12(16%) answered all 4 numeracy items correctly; 6(8%) answered none correctly. Participants were least likely to understand items involving risk and percentages. Low numeracy but not STOFHLA score was associated with a history of hospitalization for asthma. At higher STOFHLA levels there was a wide range of the total number of correct numeracy responses. Numeracy is a unique and important component of health literacy.

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