Fig. 1

Bland Altman plots of the IPAQ-SF and RM42 accelerometer according to vigorous-, moderate activities (min / week) and sitting time (min / day). The metric for both x- and y-axes in each graph (a-c) are the z-scores for mean of the RM42 accelerometer and IPAQ-SF scores and the difference (difference of the accelerometer questionnaire scores) between scores, _______ = observed average agreement; − - - - - =95% limit of agreement; y = 0 line of perfect average agreement