An investigation into the changes in sedentary time and physical activity during adolescence

Aims: to investigate: 1) whether the magnitude of change in sedentary time and physical activity during adolescence varies in different time contexts, 2) whether the estimate of change in sedentary time differs according to the measurement instrument used and 3) whether self-reported sedentary activ...

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Bibliographic Details
Main Author: Harding, Sarah Kate
Published: University of Bristol 2016
Subjects:
613
Online Access:http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.701982