Table 1.

Population Demographics

Age, y
Mean ± SD	55.01 ± 15.2
Median	55
Sex, n (%)
Males	2026 (47.84)
Females	2209 (52.16)
Total	4235
Race, n (%)
Caucasian	3348 (79.06)
Unknown	714 (16.86)
Black	70 (1.65)
Other	43 (1.02)
Asian	23 (0.54)
Native American/Eskimo	18 (0.43)
Not Disclosed	16 (0.38)
Native Hawaiian/Pacific Islander	3 (0.07)
Total	4235
Ethnicity, n (%)
Unknown	3178 (75.04)
Non-Hispanic	1018 (24.04)
Hispanic	29 (0.68)
Not disclosed	10 (0.24)
Total	4235