Table 1 Characteristics of the population and chart review sample
Variables | Population (N = 11,933) N (%) | Chart review sample (N = 1798) N (%) | p value |
|---|---|---|---|
Age, years, mean (SD) | 56.06 (8.77) | 56.20 (9.09) | 0.468 |
≤ 50 | 2036 (17.1) | 290 (16.1) | |
51~ 55 | 4149 (34.8) | 628 (34.9) | |
56~ 60 | 3220 (27.0) | 509 (28.3) | |
> 60 | 2528 (21.2) | 371 (20.6) | |
Gender | |||
Female | 6527(54.7) | 964 (53.6) | 0.317 |
Male | 5406 (45.3) | 834 (46.4) | |
Ethnicity | |||
Caucasian | 5794 (48.6) | 874 (48.6) | 0.544 |
African American | 3572 (29.9) | 528 (29.4) | |
Hispanic | 2148 (18.0) | 342 (19.0) | |
Asian | 264 (2.2) | 35 (1.9) | |
Other/unknown | 155 (1.3) | 19 (1.1) | |
Body mass index, kg/m2 mean (SD) | 31.05 (6.86) | 31.05 (7.05) | 0.985 |
< 18.5 | 34 (0.3) | 6 (0.3) | |
18.5–24.9 | 1660 (13.9) | 255 (14.2) | |
25–29.9 | 3550 (29.7) | 529 (29.4) | |
30–39.9 | 4038 (33.8) | 602 (33.5) | |
> 40 | 1008 (8.4) | 153 (8.5) | |
Missing cases | 1643 (13.8) | 253 (14.1) | |
Diabetes | |||
No | 9627 (80.7) | 1353 (75.3) | <.0001 |
Yes | 2306 (19.3) | 445 (24.7) | |