Table 5.

 Reported problems associated with using the masks or respirators

Problems with	Medical mask (n = 492)	All N95 (n = 949)	P value
Using the mask/respirator
None	85·5% (420/491)	47·4% (447/943)	<0·01
Uncomfortable	9·8% (48/491)	41·9% (395/943)	<0·01
Forgot to wear it	0% (0/491)	1·7% (16/943)	<0·01
Patient felt unconformable	0·2% (1/491)	1·8% (17/943)	0·01
Trouble communicating with the patient	3·0% (9/303)	8·0% (62/775)	<0·01
Wearing the mask/respirator
Headaches	3·9% (11/281)	13·4% (94/701)	<0·01
Skin rash	4·6% (13/281)	5·0% (35/701)	0·81
Difficulty breathing	12·5% (35/281)	19·4% (136/701)	0·01
Allergies	9·3% (26/281)	7·1% (50/701)	0·26
Pressure on nose	11·0% (31/281)	52·2% (366/701)	<0·01
Other	0·7% (2/280)	8·3% (58/701)	<0·01