Table 1.

Patient Demographic Data and Appointment Data

	Standard care (N = 2982)	Augmented care (N = 2858)
Age, years (IQR)	57.46 (45.10–66.09)	57.64 (46.33–65.62)
Female sex	1215 (40.7%)	1192 (41.7%)
Race/ethnicity
American Indian	15 (0.5%)	9 (0.3%)
Asian	35 (1.2%)	27 (0.9%)
Black	1339 (44.9%)	1339 (46.9%)
Hispanic	419 (14.1%)	424 (14.8%)
Native Hawaiian	3 (0.1%)	3 (0.1%)
White, non-Hispanic	1058 (35.5%)	965 (33.8%)
Unknown/declined	113 (3.8%)	91 (3.2%)
Patient portal activation	1879 (63.0%)	1807 (63.2%)
New patient visit type	484 (16.2%)	456 (16.0%)
Model predicted probability of no show (IQR)	0.30 (0.22–0.42)	0.30 (0.21–0.40)