Moore, H., Nixon, C., Lake, A., Douthwaite, W., O'Malley, C., Pedley, C., …Routen, A. (2014). The environment can explain differences in adolescents’ daily physical activity levels living in a deprived urban area: Cross-sectional study using accelerometry, GPS and focus groups. Journal of Physical Activity and Health, 11(8), 1517-1524. https://doi.org/10.1123/jpah.2012-0420