Table 3.

Coefficients and absolute coefficients of Lasso regression feature selection

Type	characteristic	coefficient	absolute coefficient
Numerical	LABI	-0.038	0.038
Categorical	ABI Result	0.031	0.031
Numerical	Age	0.029	0.029
Categorical	Dorsalis Pedis Pulse	0.027	0.027
Numerical	Intelligence Score(MMSE)	-0.016	0.016
Numerical	RABI	-0.013	0.013
Numerical	Hematocrit	0.011	0.011
Categorical	LOPS	0.010	0.010
Categorical	Stroke	0.006	0.006
Numerical	ALP	0.006	0.006
Categorical	Lower Limb Discomfort	0.005	0.005
Categorical	Pre-retirement Occupation	-0.004	0.004
Categorical	Types of Hypoglycemic Drugs	0.002	0.002
Categorical	Current Residential Region	-0.002	0.002
Numerical	Depression Score	0.001	0.001
Categorical	Foot Washing Frequency	0.000	0.000