Effect of cost-sharing on use of asthma medication in children.

Effect of cost-sharing on use of asthma medication in children. Research Abstract Details 

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Effect of cost-sharing on use of asthma medication in children. Abstract Text:

Wendy J Ungar,Anita Kozyrskyj,Michael Paterson,Fida Ahmad,

OBJECTIVE: To examine the effect of cost-sharing on the use of asthma medications in asthmatic children. According to asthma guidelines, children with asthma may require treatment with multiple medications, including controllers and relievers, to achieve optimal control. Although families may be enrolled in drug benefit plans, impediments to access persist in the form of cost-sharing. DESIGN: Population-based retrospective cohort study of children by analysis of administrative medication insurance claims data. SETTING: Ontario, Canada. PARTICIPANTS: A cohort of 17 046 Ontario children with asthma enrolled in private drug plans. Main Exposure We used data on out-of-pocket expenses and reimbursement for medications to classify children as having zero, low (< 20%), or high (> or = 20%) levels of cost-sharing. MAIN OUTCOME MEASURES: We examined use of bronchodilators, inhaled corticosteroids, leukotriene receptor antagonists, oral corticosteroids, and combination agents. Multiple linear and logistic regressions compared medication use between cost-sharing groups, controlling for age and sex. RESULTS: The annual number of asthma medication claims per child was significantly lower in the high cost-sharing group (6.6) compared with the zero (7.0) and low (7.2) cost-sharing groups (P < .001). Children in the high cost-sharing group were less likely to purchase bronchodilators, inhaled corticosteroids, and leukotriene receptor antagonists compared with the low cost-sharing group (odds ratio, 0.76; 95% confidence interval, 0.67-0.86) and were less likely to purchase dual agents compared with the low cost-sharing group (odds ratio, 0.70; 95% confidence interval, 0.66-0.75). CONCLUSION: The cost-sharing level affected the use of asthma medication, with the highest cost-sharing group exhibiting significantly lower use of maintenance medications and newer dual agents.

Effect of cost-sharing on use of asthma medication in children. Publishing Authors By Initials

WJ Ungar,A Kozyrskyj,M Paterson,F Ahmad,

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Effect of cost-sharing on use of asthma medication in children. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Archives of pediatrics & adolescent medicine

VOLUME: 162

Page Numbers: 104-10

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ISSN: 1538-3628

DAY: 5

MONTH: Feb

YEAR: 2008

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LANGUAGE: eng

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AFFILIATION: Child Health Evaluative Sciences, Research Institute, The Hospital for Sick Children, 555 University Ave, Toronto, ON M5G 1X8, Canada. wendy.ungar@sickkids.ca

Country: United States

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MEDLINETA: Arch Pediatr Adolesc Med

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