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The Impact of Healthy Harlem on the Prevalence of Child Overweight and Obesity and Contributing Factors: Interim Evaluation Report
Healthy Harlem had positive, significant impacts on student outcomes. The program:
- Increased students’ nutrition knowledge and self-efficacy related to physical activity, and these increases have been sustained over three years.
- Had some positive impacts on other measures of self-efficacy and social support.
- Generally increased students’ levels of fitness, although there is some variation by gender.
- Reduced BMI z-scores and the prevalence of overweight and obesity among students who were overweight or obese at baseline, and received both Get Fit and Prevention components.
The Harlem Children’s Zone (HCZ)® is a nonprofit organization that provides a comprehensive set of free programs to address the social, health, and educational development of children in Central Harlem—a New York City neighborhood with a child poverty rate that is more than double the national average. This study assessed the impact of Healthy Harlem, a comprehensive program aimed at promoting healthy lifestyles. All students attending HCZ after-school programs are exposed to the Prevention component, which includes physical activity, healthy snacks, nutrition education lessons, and parent workshops. Middle and high school students who are overweight or obese also participate in Get Fit, an intensive, 12-week program in which students identify and work on specific goals for improving their eating and/or physical activity habits. The study examined impacts of Healthy Harlem on students’ nutrition-related knowledge and attitudes, perceived social support for healthy eating and physical activity, fitness, and body-mass index (BMI). The findings provide strong evidence that in its first three years of implementation, Healthy Harlem has made significant contributions to promoting healthy lifestyles among HCZ students.
Evaluation of the Harlem Children's Zone Healthy Harlem Initiative
The JPB Foundation