Table 1.
Baseline characteristics of the DNA methylation subsample from the MBC2 population
| Participant characteristics | DNA methylation (n = 68) | No DNA methylation (n = 144) | ||||
|---|---|---|---|---|---|---|
| Control (n = 12) | Simultaneous (n = 25) | Sequential (n = 31) | Control (n = 32) | Simultaneous (n = 59) | Sequential (n = 53) | |
| Age, mean (SD) | 41.9 (12.6) | 41.4 (12.3) | 41.6 (10.1) | 40.2 (12.6) | 40.5 (11.7) | 40.5 (11.4) |
| BMI, mean (SD) | 32.6 (6.9) | 34.5 (8.0) | 37.3 (7.5) | 34.7 (8.5) | 34.1 (9.2) | 35.5 (11.0) |
| Female, n (%) | 27 (87.1) | 55 (80.9) | 8 (66.7) | 38 (71.7) | 107 (74.3) | 25 (78.1) |
| Ethnicity, n (%) | ||||||
| Hispanic or Latino | 4 (13.3) | 6 (9.5) | 1 (9.1) | 5 (9.6) | 14 (10.0) | 5 (15.6) |
| Non-Hispanic or Latino | 26 (86.7) | 58 (92.1) | 10 (90.1) | 47 (90.4) | 126 (90.0) | 27 (84.4) |
| Race, n (%) | ||||||
| White | 16 (51.6) | 30 (44.1) | 5 (41.7) | 24 (45.3) | 57 (39.6) | 14 (43.8) |
| Black | 14 (45.2) | 34 (50.0) | 6 (50.0) | 24 (45.3) | 65 (45.1) | 13 (40.6) |
| Asian | 0 | 2 (3.1) | 1 (8.3) | 1 (1.9) | 6 (4.2) | 1 (3.1) |
| Other or multiple | 1 (3.2) | 2 (3.1) | 0 | 4 (7.5) | 16 (11.1) | 4 (12.5) |