Fig. 2

Representation of the buffers used, shown for a single (arbitrarily chosen) residential address (red) within the area of interest. Blue indicates the land use related to each activity (dark blue: intersecting polygons (within buffer), light blue: outside the buffer. a 20 m buffer around house to represent staying at home activity (note that the buffer is calculated around the location of the front door of the house, located at the upper-side in the figure), b 500 m buffer around house including open public and private space to represent the activity playing in the neighbourhood, c 2000 m buffer around the house including the road network to represent activities which include travelling, d 20 m buffer around schools which were included in the 2000 m buffer around the house to represent being at school activity