Fig. 2
Repeated measures correlation for self-reported weight and Fitbit parameters, using ranked data. The color indicates correlation strength, with blue a positive and red a negative correlation. The lower triangle shows the correlation coefficient when significant and above |0.3|. The upper triangle shows the significance of the correlation, regardless of correlation value, with * = p < 0.05, ** = p < 0.01, *** = p < 0.001