Table 3.

Comparison of the best decision tree using the weight of foods (previous study, Giabbanelli and Adams, 2016 [8]) or simplified foods (this study), while keeping the number of foods similar.

Study	Guidelines	Number of instances	Accuracy (%)	Recall	Specificity	Number of factors
Previous	Free sugars	60	76.5	76.1	76.9	28
Current	Free sugars	95	77.9	75.1	80.7	25
Previous	Fat	70	72.4	66.3	78.4	33
Current	Fat	90	79.4	70.4	88.5	33
Previous	Fruits and vegetables	50	83.1	82.5	83.8	11
Current	Fruits and vegetables	90	82.2	82.3	82.2	10
Previous	Saturated fat	20	79.7	75.8	83.6	28
Current	Saturated fat	90	84.6	77.4	91.8	27
Previous	Salt	15	75.8	81.9	69.8	28
Current	Salt	55	76.3	79.5	73.2	26