Prior to data collection, all OSHC programmes will be visited to record the physical characteristics of the programme environment, including indoor (non-physical activity enrichment or snack areas) and outdoor physical activity spaces. These spaces will be divided and identified as zones during the data collection period. Available space accessible to children during the OSHC programme will be mapped and measured in metres using a Craftright measuring wheel (figure 2 ). Permanent facilities (eg, basketball courts, fixed equipment and sandpits) will be measured and identified as zones.
Child physical activity will be measured via ActiGraph accelerometers (wGT3X-BT models). Accelerometers are widely used to provide an objective estimate of physical activity in free-living research.29 32 33 (link) Accelerometers are small, unobtrusive devices that sit around a child’s waist, attached using adjustable elastic belts. As children arrive at a programme, the accelerometers will be fitted around their waist by trained data collectors, ensuring the unit is sitting on the right hip. The time-on and demographic data of each child (school grade and sex) will be recorded. As children depart from the programme, accelerometers will be removed and time-off recorded.34 (link)
Child physical activity will be measured via ActiGraph accelerometers (wGT3X-BT models). Accelerometers are widely used to provide an objective estimate of physical activity in free-living research.29 32 33 (link) Accelerometers are small, unobtrusive devices that sit around a child’s waist, attached using adjustable elastic belts. As children arrive at a programme, the accelerometers will be fitted around their waist by trained data collectors, ensuring the unit is sitting on the right hip. The time-on and demographic data of each child (school grade and sex) will be recorded. As children depart from the programme, accelerometers will be removed and time-off recorded.34 (link)
