Table 2 Aggregate data of clinic and patient characteristics for each participating site

Clinics to be randomized

10

9

14

Total eligible clinics

45

33

31

Family Medicine

0

7

0

Pediatric

0

23

0

Urgent Care

0

3

31

Hybrid (multi-specialty)

45

0

0

Clinical setting (participating)

 Urban

TBD

9 (100)

3 (10)

 Suburban

TBD

0 (0)

24 (77)

 Rural

TBD

0 (0)

4 (13)

 Clinicians per clinic (mean eligible clinicians, range)

20.3 (3–51)

22.1(10–38)

29.3 (2–60)

Clinician Type

 Physician

TBD

123 (61.8)

205 (71.9)

 Advanced Practice Provider

TBD

43(21.6)

80 (28.1)

 Annual acute otitis media encounters per clinic (mean, range)

382 (121–1172)

228 (40–468)

346 (2–944)

Patient Demographics^a

N (%) N = 12,449

N (%) N = 7,524

N (%) N = 12,818

 Age (mean ± standard deviation, years)

4.3 (± 3.9)

3.4 (± 3.1)

5.2 (± 4.5)

Race

 American Indian/Alaskan

Native

50 (0.4)

60 (0.8%)

91 (0.7%)

 Asian

336 (2.7)

278 (3.7%)

152 (1.2%)

 Black/African American

2042 (16.4)

1091 (14.5%)

163 (1.3%)

 Native Hawaiian/Pacific

Islander

212 (1.7)

45 (0.6%)

266 (2.1%)

 White

7718 (62.0)

5477 (72.8%)

11,695 (91.2%)

 Other/Unknown

2104 (16.9)

579 (7.7%)

451 (3.5%)

Ethnicity

 Hispanic/Latinx

7656 (61.5)

5116 (68.0%)

1,939 (15.1%)

 Non-Hispanic/Latinx

4431 (35.6)

2408 (32.0%)

10,644 (83.1%)

 Declined/Unknown

234 (1.8%)

Language Preference

 English

7108 (57.1)

4703 (62.5%)

12,556 (98.0%)

 Spanish

5041 (40.5)

2332 (31.0%)

225 (1.8%)

 Other

286 (2.3)

489 (6.5%)

37 (0.3)

Insurance

 Public (Medicaid, etc.)

9275 (74.5)

6629 (88.1%)

2406 (18.8%)

 Commercial

3175 (25.5)

707 (9.4%)

9751 (76.1)

 Uninsured

0 (0)

68 (0.9%)

661 (5.2%)

 Unknown

0 (0)

120 (1.6%)

0 (0)