Table 1.

Demographic Characteristics of Survey Participants.

	Participants, n (%)					P Valuea
Characteristic	Total (N = 475)	Dentists (n = 257)	Hygienists (n = 165)	Assistants (n = 53)	P Valueb	Dentists vs. Hygienists	Dentist vs. Assistants	Hygienists vs. Assistants
Age, y, mean (SD)	53.6 (11)	56.8 (11)	50.1 (12)	49.8 (9)	<0.001	<0.001	<0.001	0.86
Sex					0.0005	<0.001	<0.001	0.18
Male	183 (38)	182 (71)	1 (1)	0 (0)
Female	289 (61)	73 (28)	164 (99)	52 (98)
Race					0.01	0.03	0.13	0.22
Caucasian/White	396 (83)	206 (80)	147 (89)	43 (81)
African American	10 (2)	6 (2)	4 (2)	0 (0)
Asian	29 (6)	24 (9)	3 (2)	2 (4)
Other	38 (8)	21 (8)	10 (6)	7 (16)
Ethnicity					0.01	0.34	0.004	0.03
Hispanic	35 (11)	13 (5)	12 (7)	10 (19)
Non-Hispanic	425 (89)	234 (91)	150 (91)	41 (77)
Type of practice					0.07	0.54	0.007	0.30
Private practice	415 (87)	230 (90)	143 (87)	42 (79)
Corporate practice	25 (5)	12 (5)	10 (6)	3 (6)
Academic institution	15 (3)	10 (4)	4 (2)	1 (2)
Other	20 (4)	5 (2)	8 (4)	7 (13)
Residential community					0.78	0.75	0.47	0.68
Urban	37 (8)	23 (9)	12 (7)	2 (4)
Semiurban	397 (84)	215 (84)	137 (83)	45 (85)
Rural	37 (8)	17 (7)	15 (9)	5 (9)
Ever tested for SARS-CoV-2	327 (69)	156 (61)	131 (79)	40 (76)	0.003	0.0001	0.05	0.55
Ever diagnosed with COVID-19	25 (5)	7 (3)	11 (7)	8 (15)	0.001	0.06	0.0006	0.07
Safety perception with regular testing
Self	229 (48)	96 (37)	100 (61)	33 (65)	<0.001	<0.001	0.001	0.96
Coworker	259 (55)	120 (47)	103 (62)	36 (71)	<0.001	0.002	0.008	0.57
Patients at start of procedure	325 (68)	159 (62)	122 (74)	44 (83)	0.002	0.02	0.006	0.24
Any testing	349 (74)	171 (67)	131 (79)	47 (88)	<0.001	0.007	0.003	0.19
All testing	205 (43)	87 (34)	90 (55)	28 (53)	<0.001	<0.001	0.01	0.95

Bold indicates P < 0.05.

^aPairwise comparison.

^bOverall comparison.