A natural experiment to assess recess frequency on children's physical activity in Arizona (U.S.) elementary schools

• Main Authors: Allison Poulos (Author), Kylie Wilson (Author), Marissa Schulke (Author), Kahyun Nam (Author), Punam Ohri-Vachaspati (Author), Yang Bai (Author), Pamela Hodges Kulinna (Author)
• Format: Book
• Published: BMC, 2024-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background In the United States, the number of state policies mandating recess in schools has rapidly increased over the past decade; however, few policies specify recess frequency. Informed by an ecological model of physical activity (PA) policy, this study examined and compared total amou...