Table 2 Electronic health record demographics of study invitees and enrollees

N

40,857

2889

Age^a

39.6 (10.2)

40.3 (10.1)

Gender^b

 Female

22,207 (54.3)

1720 (59.5)

 Male

18,537 (45.4)

1099 (38.1)

 Other

81 (0.2)

50 (1.7)

 Prefer not to answer

32 (0.1)

20 (0.7)

Race^b

 African American

10,639 (26)

354 (12.3)

 Asian

22,043 (54)

1646 (57.0)

 Multiracial/other

177 (0.4)

23 (0.8)

 Native American

2543 (6.2)

182 (6.2)

 White

5437 (13.3)

671 (23.2)

 Missing

18 (0.1)

13 (0.5)

Ethnicity^b

 Hispanic

4099 (10)

369 (12.8)

 Non-Hispanic

36,739 (89.9)

2507 (86.8)

 Missing

19 (0.1)

13 (0.4)