Table 1.

Dentists Respondent and Dental Practice Characteristics (N=143)

Dentist Responder Characteristics
Characteristic	N (%)
Age
Median	53
Range	30–70
IQR	11

Gender
Male	100 (70%)
Female	43 (30%)
Race/Ethnicity¹
White	99 (69%)
Asian	15 (10%)
Black	12 (8%)
Hispanic	12 (8%)
Other	5 (3%)
Degree
DDS	80 (56%)
DMD	63 (44%)
Years Since Graduation
Median	26
Range	2–43
IQR	11
Provider Type
Generalist	130 (91%)
Specialist	13 (9%)
Ownership Status
Owner	92 (64%)
Co-owner/partner	28 (20%)
Neither	23 (16%)

Dental Practice Characteristics
Characteristic	N (%)
Practice Type
General	126 (88%)
Pediatric	8 (6%)
Periodontics	5 (3%)
Other	4 (3%)
Practice Setting
Suburban	86 (60%)
Urban	43 (30%)
Rural	12 (8%)
Other	2 (1%)
Practice Region
Northeast	100 (70%)
South	25 (17%)
Midwest	12 (8%)
West	6 (4%)
Active Patients
<1000	31 (22%)
1000–1999	62 (43%)
≥2000	50 (35%)
Number of Full-time Dentists
No full-time dentist	3(2%)
1 dentist	82 (57%)
2–3 dentists	35 (24%)
4+ dentists	14 (10%)
Missing	9 (6%)
Number of Full-time Hygienists
No hygienists	38 (27%)
1 hygienist	43 (30%)
2–3 hygienists	28 (20%)
>3 hygienists	13 (9%)
Missing	21 (15%)

	Practices utilizing this insurance	Percentage of patients covered by this insurance²

Insurance Type	N (% of practices)	Median	Range	IQR
Private	141 (99%)	60	2–100	35
No Insurance/self pay	139 (97%)	25	2–90	28
Medicaid	43 (30%)	20	1–95	25
Medicare	30 (21%)	13	11–75	21
Other	17 (12%)	15	1–100	18

Dentists reporting Hispanic ethnicity classified as Hispanic, regardless of race.

Percentage reported for practices having at least one patient with this insurance type.