Table 3.

My Health at Vanderbilt patient demographics

	Male	Female	Total
	(n = 156 631)	(n = 245 815)	(N = 402 744)
Age at registration
Mean (range)	42.7 (0–96)	40.3 (0–97)	41.1 (0–97)
Median	44	38	40
Race
African–American	11 439 (6.5%)	23 424 (8.6%)	34 866 (7.7%)
American Indian	336 (0.2%)	445 (0.2%)	781 (0.2%)
Asian	4552 (2.6%)	6541 (2.4%)	11 095 (2.5%)
Caucasian	139 677 (79.0%)	210 274 (77.1%)	349 960 (77.7%)
Pacific Islander	147 (0.1%)	209 (0.1%)	356 (0.1%)
Other	5007 (2.8%)	8372 (3.1%)	13 532 (3.0%)
Unknown	15 585 (8.8%)	23 634 (8.7%)	39 570 (8.8%)
Days using portal
Mean (range)	36.7 (1–2391)	37.8 (1–1967)	37.4 (1–2391)
Median	7	9	8