Table 1.

Participant demographic information.

Subject	Age (years)	Sex	Mask Type	Occupation	Relevant Health History
01	39	F	N95 + Simple	Physician	GERD
02	36	F	N95 + Simple	Physician
03	30	F	N95 + Simple	SLP
04	33	F	N95 + Simple	SLP	Asthma; GERD
05	27	F	N95 + Simple	SLP
06	31	F	N95 + Simple	SLP
07	24	F	N95	SLP
08	25	F	Simple	SLP	GERD
09	24	F	Simple	RT
10	24	F	Simple	RT	Childhood asthma
11	35	F	Simple	Nurse
12	43	F	Simple	Medical Admin.
13	49	F	Simple	PT
14	41	M	N95 + Simple	Physician	Childhood asthma
15	44	M	N95 + Simple	Physician
16	45	M	Simple	Physician	Childhood asthma; GERD
17	35	M	Simple	PT
18	27	M	Simple	PT	Exercise induced asthma
19	26	M	Simple	Medical Sales
20	29	M	Simple	SLP	Asthma; GERD
21	23	M	Simple	RT

Note. SLP = speech-language pathologist; PT = physical therapist; RT = Respiratory therapist; Admin = administrator.