Impact of California Children's Power Play! Campaign on Fruit and Vegetable Intake and Physical Activity among Fourth- and Fifth-Grade Students.

Purpose: Examine the impact of the Children's Power Play! Campaign on fruit and vegetable (FV) intake and physical activity (PA).

Design: Study design was a cluster randomized, controlled trial.

Setting: Forty-four low-resource public schools in San Diego County, California, were included in the study.