Fig. 1From: Healthy apple program to support child care centers to alter nutrition and physical activity practices and improve child weight: a cluster randomized trialTimeline, study design, and data collection for the Healthy Apple Program pilot. BMI: Body mass index; CCHP: Child Care Health Program; HAP: Healthy Apple Program. In child care center level analysis, child care centers were followed, longitudinally, over multiple academic years. As the children attending the child care centers changed each year, in child-level analysis, each academic year was considered separatelyBack to article page