Table I.

Variables related to demographic characteristics and prior history of patients.

	Entire study sample (n = 238)	COVID-19 related- headache (n = 143)	COVID-19 vaccine related-headache (n = 95)	FDR-corrected p-value
Median age, (SD)	35.5 (10.6)	36.2 (8.6)	30 (13)	0.438
Female sex, n (%)	180 (75.6%)	105 (73.4%)	75 (78.9%)	0.478
Prior history of headache, n (%)	32 (13.4%)	20 (14%)	12 (12.6%)	0.903
Family history of headache, n (%)	78 (32.8%)	33 (23.15)	45 (47.4%)	<0.001
Family history of migraine, n (%)	67 (28.2%)	33 (23.1%)	34 (35.8%)	0.214
Hypertension, n (%)	7 (2.9%)	2 (1.4%)	5 (5.3%)	0.387
Diabetes. n (%)	7 (2.9%)	2 (1.4%)	5 (5.3%)	0.309
Smoking, n (%)	27 (11.3%)	19 (11.3%)	8 (8.4%)	0.557
Cardiological disorders, n (%)	7 (2.9%)	4 (2.8%)	3 (3.2%)	0.999
Pulmonary disorders, n (%)	9 (3.8%)	7 (4.9%)	2 (2.1%)	0.525
Oncological disorders, n (%)	6 (2.5%)	3 (2.1%)	3 (3.2%)	0.89
Neurological disorders, n (%)	9 (3.8%)	5 (3.5%)	4 (4.2%)	0.999
Immunosuppression, n (%)	3 (1.3%)	0 (0%)	3 (3.2%)	0.287

FDR: false discovery rate; SD: standard deviation.