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Asthma Health Outcomes Project

Overviews of Surveyed Asthma ProgramsSeptember 2005

Domestic Programs: Missouri (cont’d)Back to Index

IMPACT: Interactive Multimedia Program for Asthma Control and Tracking

University of Missouri Columbia

St. Louis, MO

Santosh Krishna, PhD, EdS

(314) 977-8280         


The Interactive Multimedia Program for Asthma Control and Tracking (IMPACT) intervention was managed by the University of Missouri-Columbia. The purpose of this intervention was to determine whether health outcomes of children who have asthma can be improved through the use of an Internet-enabled interactive multimedia asthma education program.

Two hundred twenty-eight children with asthma visiting a pediatric pulmonary clinic were randomly assigned to control and intervention groups. Children and caregivers in both groups received traditional patient education based on the National Asthma Education and Prevention Program.  Intervention group participants received additional self-management education through the Interactive Multimedia Program for Asthma Control and Tracking. Pediatric Asthma Care Knowledge Survey, Pediatric Asthma Caregiver's Quality of Life Questionnaire, asthma symptom history, spirometry, and health services utilization data were collected at the initial visit and at 3 and 12 months.

Interactive Multimedia Program for Asthma Control and Tracking significantly increased asthma knowledge of children and caregivers, decreased asthma symptom days (81 vs. 51 per year), and decreased number of emergency department visits (1.93 vs. 0.62 per year) among the intervention group participants. The intervention group children were also using a significantly lower average daily dose of inhaled corticosteroids (434 vs. 754 µg [beclomethasone equivalents] at visit 3. Asthma knowledge of all 7- to 17- year-old children correlated with fewer urgent physician visits and less frequent use of quick-relief medicines. The program was found to be acceptable to both children and caregivers.

Investigators concluded that supplementing conventional asthma care with interactive multimedia education can significantly improve asthma knowledge and reduce the burden of childhood asthma.

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