Abstract:BackgroundIntervention trials with nested designs seek to balance sites randomized regarding key site characteristics. Among the goals of such site-level balancing is to accrue patient-level equivalence among treatment arms. We investigated patient-level equivalence in a cluster randomized controlled trial, which balanced study waves on site-level characteristics.Methods The Behavioral Health Interdisciplinary Program - Collaborative Chronic Care Model project utilized a stepped wedge design to stagger impleme… Show more
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