Methods Cronbach's Alpha Intra class Correlation Area under  ROC Bland-Altman test Estimate 95% of Confidence Interval M1 0.9997 0.9995 0.9994 0.8059 6.30% M2 0.9963 0.9926 0.9917 0.8043 7.00% M3 0.9986 0.9972 0.9969 0.8024 6.30% M4 0.9999 0.9999 0.9999 0.8098 4.70% M5 0.9999 0.9999 0.9999 0.8076 5.50%

Table 6: Results from validation analysis for five methods (M1- M5).