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. 2020 Oct 15;151(11):815–824. doi: 10.1016/j.adaj.2020.09.005

Table 1.

Characteristics of the survey sample and comparison with all private practice or public health dentists licensed in the United States.

CHARACTERISTIC UNWEIGHTED SAMPLE, % (NO.) (N = 2,195) ADA MASTERFILE OF US DENTISTS, % (NO.) (N = 185,587) χ2P VALUE
Age Group, y NA NA < .001
27-39 15.6 (343) 26.6 (49,326) NA
40-49 23.2 (509) 23.4 (43,331) NA
50-59 26.8 (589) 21.2 (39,253) NA
60-69 27.4 (601) 20.9 (38,853) NA
70-84 7.0 (153) 7.7 (14,355) NA
Race and Ethnicity NA NA < .001
Non-Hispanic white 79.2 (1,739) 71.4 (97,831) NA
Non-Hispanic Asian 7.2 (159) 15.6 (21,412) NA
Hispanic or Latino 5.2 (114) 5.6 (7,670) NA
Non-Hispanic Black 1.1 (24) 4.7 (6,402) NA
American Indian or Alaska Native 0.2 (5) 0.3 (459) NA
Native Hawaiian or Pacific Islander 0.2 (4) 0.2 (286) NA
Other 6.8 (150) 2.1 (2,938) NA
Gender NA NA < .001
Male 60.0 (1,294) 66.2 (121,125) NA
Female 39.0 (841) 33.8 (61,847) NA
Prefer not to say 1.0 (22) NR NA
Dental Practice Type NA
Private practice 96.6 (2,077) NR NA
FQHC§ 2.6 (56) NR NA
Non-FQHC health center 0.4 (8) NR NA
City or county health department 0.5 (10) NR NA
Practice Type NA NA < .001
General dentist 83.6 (1,798) 79.2 (145,557) NA
Dental anesthesiology 0.1 (2) 0.03 (48) NA
Endodontics 1.6 (34) 2.7 (5,043) NA
Oral and maxillofacial pathology 0.05 (1) 0.2 (283) NA
Oral and maxillofacial surgery 2.6 (58) 3.5 (6,460) NA
Oral medicine 0.1 (2) NR NA
Orofacial pain 0.1 (2) NR NA
Orthodontics and dentofacial orthopedics 2.0 (44) 5.4 (9,980) NA
Pediatric dentistry 6.7 (147) 4.2 (7,751) NA
Periodontics 2.3 (50) 2.7 (5,004) NA
Prosthodontics 0.6 (14) 1.6 (3,025) NA
US Census Bureau Division NA NA < .001
New England 6.2 (136) 5.3 (9,849) NA
Middle Atlantic 11.9 (262) 14.4 (26,709) NA
East North Central 18.6 (409) 13.7 (25,439) NA
West North Central 9.6 (211) 5.7 (10,644) NA
South Atlantic 14.9 (327) 17.7 (32,758) NA
East South Central 4.3 (95) 4.5 (8,253) NA
West South Central 7.9 (174) 10.5 (19,456) NA
Mountain 10.1 (221) 7.2 (13,423) NA
Pacific 15.4 (337) 20.3 (37,606) NA
Territories 1.0 (23) 0.7 (1,282) NA
Conditions NA NA NA
Asthma 7.3 (160) NR NA
Chronic lung disease 0.1 (3) NR NA
Diabetes 3.6 (80) NR NA
Heart condition 5.3 (116) NR NA
Immunocompromised 1.0 (22) NR NA
Kidney disease 0.5 (11) NR NA
Liver disease 0.3 (6) NR NA
Obesity 7.6 (166) NR NA
Rheumatologic or autoimmune condition 3.0 (65) NR NA
Smoking 1.2 (26) NR NA

ADA: American Dental Association.

NA: Not applicable.

NR: Not recorded.

§

FQHC: Federally qualified health center.

Multiple conditions per person allowed.