Participants
randomized into an
intervention (RECESS)
or control group
(CON).
• RECESS (10 ♂,7 ♀)
received two additional
30-minute periods of
outdoor free playtime
per day for 2 days.
• CON (10 ♂, 5 ♀)
followed their normal
classroom schedule.
Body weight, height,
and BMI collected.