A Novel Method for Classifying Body Mass Index on the Basis of Speech Signals for Future Clinical Applications: A Pilot Study

Table 4

Specific performance results (with feature selection, 𝑁: number of subjects of each class).

Model (group)	Class	𝑁	Sensitivity	False positive rate (1-specificity)	Precision	𝐹 Measure
Female: 20–30	Normal	364	0.926	0.774	0.766	0.838
	Overweight	133	0.226	0.074	0.526	0.316
Female: 40–50	Normal	201	0.512	0.311	0.575	0.542
	Overweight	244	0.689	0.488	0.632	0.659
Female: 60	Normal	41	0.366	0.173	0.455	0.405
	Overweight	104	0.827	0.634	0.768	0.796
Male: 20–30	Normal	175	0.52	0.325	0.576	0.547
	Overweight	206	0.675	0.48	0.623	0.648
Male: 40–50	Normal	77	0.377	0.14	0.537	0.443
	Overweight	179	0.86	0.623	0.762	0.808
Male: 60	Normal	35	0.429	0.239	0.469	0.448
	Overweight	71	0.761	0.571	0.73	0.745