Browsing Brage NIH by Author "Dunn, Valerie"
Now showing items 1-2 of 2
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Levels and patterns of objectively-measured physical activity volume and intensity distribution in UK adolescents: the ROOTS study
Collings, Paul J.; Wijndaele, Katrien; Corder, Kirsten; Westgate, Kate; Ridgway, Charlotte L.; Dunn, Valerie; Goodyer, Ian; Ekelund, Ulf; Brage, Søren (Journal article; Peer reviewed, 2014-02-24)Background: Few studies have quantified levels of habitual physical activity across the entire intensity range. We aimed to describe variability in total and intensity-specific physical activity levels in UK adolescents ... -
Magnitude and determinants of change in objectively-measured physical activity, sedentary time and sleep duration from ages 15 to 17.5y in UK adolescents: the ROOTS study.
Collings, Paul J.; Wijndaele, Katrien; Corder, Kirsten; Westgate, Kate; Ridgway, Charlotte L.; Sharp, Stephen J.; Dunn, Valerie; Goodyer, Ian; Ekelund, Ulf; Brage, Søren (Journal article; Peer reviewed, 2015-05-14)Background: Self-reported physical activity (PA) and sleep duration (SLP) change markedly throughout adolescence. We sought to quantify changes in objectively-measured PA, sedentary time (ST) and SLP through adolescence, ...