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Child Obes. 2015 May 19. [Epub ahead of print]

Energy Balance 4 Kids with Play: Results from a Two-Year Cluster-Randomized Trial.

Author information

1
1School of Public Health, University of California Berkeley, Berkeley, CA.
2
2Atkins Center for Weight and Health, University of California Berkeley, Berkeley, CA.
3
3EF Myers Consulting, Trenton, IL.
4
4Academy of Nutrition and Dietetics Foundation, Chicago, IL.

Abstract

BACKGROUND:

Identifying sustainable approaches to improving the physical activity (PA) and nutrition environments in schools is an important public health goal. This study examined the impact of Energy Balance for Kids with Play (EB4K with Play), a school-based intervention developed by the Academy of Nutrition and Dietetics Foundation and Playworks, on students' PA, dietary habits and knowledge, and weight status over 2 years.

METHODS:

This cluster-randomized, controlled trial took place in four intervention and two control schools over 2 years (n=879; third- to fifth-grade students). PA (fourth and fifth grades only), dietary knowledge and behaviors, school policies, and BMI z-score were assessed at baseline (fall 2011), midpoint (spring 2012), and endpoint (fall 2012 for accelerometers; spring 2013 for all other outcomes).

RESULTS:

At endpoint, there were no group differences in change in PA or dietary behaviors, although BMI z-score decreased overall by -0.07 (p=0.05). Students' dietary knowledge significantly increased, as did the amount of vegetables schools served. Post-hoc analyses stratified by grade revealed that, relative to control students, fourth-grade intervention students reduced school-day sedentary time by 15 minutes (p=0.023) and third-grade intervention students reduced BMI z-score by -0.2 (0.05; p<0.05). There were no signicifant differences for older students.

CONCLUSIONS:

EB4K with Play, which leverages the existing infrastructure of two national programs, increases children's dietary knowledge and may improve weight status and decrease sedentary behaviors among younger children. Future iterations should examine programming specific for different age groups.

PMID:
25988405

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