School related factors and 1yr change in physical activity amongst 9-11 year old English schoolchildren

• Автори: Mantjes Joyce A (Автор), Jones Andrew P (Автор), Corder Kirsten (Автор), Jones Natalia R (Автор), Harrison Flo (Автор), Griffin Simon J (Автор), van Sluijs Esther MF (Автор)
• Формат: Книга
• Опубліковано: BMC, 2012-12-01T00:00:00Z.
• Предмети: article
• Онлайн доступ: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>Activity levels are known to decline with age and there is growing evidence of associations between the school environment and physical activity. In this study we investigated how objectively measured one-year changes in physical act...