Characteristics, causes and impact of headache among a sample of physicians working during COVID-19 pandemic

Table 5 Comparison between physicians with and without out new onset headache (including those with newly altered headache) as regard working hours and PPE usage characteristics

		New onset and change of pre-existing headache				P	Sig
		No		Yes
		Mean	± SD	Mean	± SD
Duration facial mask and protective eye-wear are worn together (hours)		5.52	3.98	6.07	3.37	0.4**	NS
PPE face mask	Surgical mask	46	54.8%	38	45.2%	0.17^‡	NS
	N95 mask	30	54.5%	25	45.5%
	Full face respirator	9	34.6%	17	65.4%
PPE eye wear	None	64	78.0%	18	22.0%	0.001^‡	HS
	Goggles	13	44.8%	16	55.2%
	Face Shield	8	14.8%	46	85.2%
Combined face and eye PPE usage	No	64	78.0%	18	22.0%	0.001^‡	HS
Combined face and eye PPE usage	Yes	21	25.3%	62	74.7%	0.001^‡	HS