No differences were observed on any of the measured
variables between those who provided accelerometer data and
those who did not with the exception of enjoyment of PA,
which was higher in those without 4 valid days of accelerometer
data compared to those with less than 4 days of data
(4.28 vs. 4.16, p < 0.05). While the mean age was similar for
both boys (12.5 1.1) and girls (12.1 1.0), girls had a
slightly higher mean BMI (22.8 6.0) compared to boys
2