ICAS is a 7-site cooperative study sponsored by NIAID, NIEHS, and NIH. ICAS was designed to evaluate the effectiveness of two types of interventions to reduce asthma morbidity and severity among 937 inner-city children, ages 5-11, with moderate to severe asthma. Each participant was enrolled for two years, the intervention year and a follow-up year. An Environmental Intervention and a Physician Feedback Intervention were studied using a 2x2 factorial design. For more info...
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