Physical activity measurement ⏴ Additional exposures
DescriptionPhysical activity measurement recorded via a wrist-worn accelerometer.
Main data collection (for 100,000 participants) was between June 2013 and January 2016. In 2018, a subset of participants was asked to repeat the exercise up to four times each on a quarterly basis to examine the influence of seasonal effects on the measurements. These seasonal repeats are currently ongoing.
Additional information is given in Resource 169649.