Table 5.

Feature importance for each analyzed variable.

	HADS-A	HADS-D	HADS Total	MIDAS	OBC
Age	0.22	0.09	0.18	0.11	0.71
College	0.00	0.00	0.00	0.06	0.00
Europe	0.48	0.00	0.14	0.00	0.00
High school	0.00	0.41	0.00	0.00	0.00
Higher education	0.00	0.00	0.10	0.06	0.00
In a relationship	0.00	0.00	0.00	0.00	0.00
Male	0.30	0.30	0.57	0.64	0.29
Married	0.00	0.20	0.00	0.00	0.00
Single	0.00	0.00	0.00	0.12	0.00
Total	1.00	1.00	1.00	1.00	1.00

The most informative (with highest impact on the analyzed value) features are indicated in bold.

MIDAS—Migraine Disability Assessment, HADS—Hospital Anxiety and Depression Scale, OBC—Oral Behaviors Checklist.