Intraindividual variation of objectively measured physical activity in children.

Abstract

PURPOSE This study examined the seasonal and intraindividual variation in objectively measured physical activity in 11- to 12-yr-olds. METHODS Children were asked to wear a uniaxial accelerometer for 7 d four times throughout the course of about a year. A random-intercepts model was used to separate the inter- and intraindividual components of physical… (More)

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