Table 1. Demographic Characteristics for Patient Sample Whose EHR Messages Were Used to Train the Model.

Characteristic	No. (%) of patients (N = 10 172)
Age, y
18-30	615 (6.0)
31-40	1327 (13.0)
41-50	1544 (15.2)
51-60	1865 (18.3)
61-70	2162 (21.3)
71-80	1946 (19.1)
81-90	713 (7.0)
Sex
Men	3663 (36.0)
Women	6509 (64.0)
Race or ethnicity
African American or Black	2544 (25.0)
American Indian or Alaska Native	20 (0.2)
Asian	1508 (14.8)
Native Hawaiian or other Pacific Islander	28 (0.3)
White	5980 (58.8)
Multiple races or ethnicities	91 (0.9)
Chose not to answer	1 (0.01)

Abbreviation: EHR, electronic health record.