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The problem
Intervention: School-based asthma self-management interventions teaching children to improve inhaler technique, recognize and respond to symptoms, and increase knowledge of asthma triggers, with varying delivery methods and components including parent involvement
Who it was tested with: School-aged children with asthma (55 studies, 14,174 children; mostly from North America in socially disadvantaged populations; mix of elementary, junior high, and high school students).
Children or communities are compared with a group that did not receive the intervention, or followed over years. This is the design that best separates what the intervention did from everything else that changed.
"We included 55 studies in the review. Thirty-three studies in 14,174 children provided information for the QCA, and 33 RCTs in 12,623 children measured the effects of interventions." The review used randomized controlled trials with comparison groups to evaluate intervention effectiveness, meeting the criteria for experimental design with sufficient rigor to demonstrate causality.
Most studies involved younger children from socially disadvantaged North American populations, limiting generalizability. Effects on school absence and reliever medication use were uncertain or had very low-certainty evidence. Follow-up periods varied across studies.
Across countries and designs
1 study · 3 countries
