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Factors associated with the appropriate use of asthma drugs
Authors:Marie-Sophie Jobin  Jocelyne Moisan  Yves Bolduc  Eileen Dorval  Louis-Philippe Boulet  Jean-Pierre Gr??goire
Institution:1Faculté de pharmacie, Université Laval, Québec;;2URESP, Centre de recherche FRSQ du Centre hospitalier affilié universitaire de Québec;;3Centre de santé et de services sociaux de Lac-Saint-Jean-Est, Alma;;4Pharmacist and Disease Management Consultant;;5Institut universitaire de cardiologie et de pneumologie de Québec, Québec
Abstract:

BACKGROUND:

When used properly, asthma drugs can reduce asthma-related morbidity and mortality.

OBJECTIVE:

To assess the use of asthma drugs, and to identify factors associated with appropriateness of use among patients 12 to 45 years of age.

METHODS:

Asthmatic patients were interviewed about their asthma drug(s) use and the factors potentially associated with appropriateness of use according to the 2003 Canadian Asthma Consensus Conference guidelines. To determine the factors associated with the appropriate use of asthma drugs, a multivariate logistic regression model was built using a stepwise procedure, and ORs and associated 95% CIs were calculated.

RESULTS:

Of the 349 study participants, 43 (12.3%) reported appropriate use of their asthma drugs. Respondents who were more likely to report appropriate use were patients with sound knowledge of their asthma drugs (OR 2.61 95% CI 1.29 to 5.29]), those in good, very good or excellent self-perceived health (OR 3.37 95% CI 1.31 to 8.71]), those who had consulted a specialist during the preceding year (OR 2.28 95% CI 1.05 to 4.97]) and those who declared themselves short of drugs due to a lack of money (OR 2.78 95% CI 1.26 to 6.17]).

CONCLUSIONS:

Results of the present study suggested that recommendations in the current guidelines regarding the appropriate use of asthma medications are being poorly implemented. Educational interventions with the aim of improving quality of care and knowledge about asthma drugs should be offered.
Keywords:Asthma  Drug therapy  Drug use  Health behaviour
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